temp

.dockerignore

@@ -0,0 +1,29 @@
+*.class
+*.log
+
+# sbt specific
+.cache/
+.history/
+.lib/
+dist/*
+target/
+lib_managed/
+src_managed/
+project/boot/
+project/plugins/project/
+metals.sbt
+.metals
+.bloop
+.ammonite
+.bsp
+
+# Scala-IDE specific
+.scala_dependencies
+.worksheet
+
+.idea/
+.vscode
+assets/
+.attach_pid*
+hs_err_pid*
+*.db

.github/workflows/build.yaml

@@ -0,0 +1,18 @@
+name: Build
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      # - name: Coursier cache
+      #   uses: coursier/cache-action@v6
+      - name: Setup
+        uses: olafurpg/setup-scala@v10
+        with:
+          java-version: adopt@1.11
+      # - run: sbt compile
+      # - run: sbt test
+      - run: ./build.sh

.gitignore

@@ -26,4 +26,5 @@ metals.sbt
 assets/
 .attach_pid*
 hs_err_pid*
-*.db
+*.db
+/app/

build.sbt

@@ -6,6 +6,8 @@ val MunitCatsEffectVersion = "0.13.0"
 val FlywayVersion = "7.5.3"
 scalaVersion in ThisBuild := "2.13.4"
 
+resolvers += "jitpack" at "https://jitpack.io"
+
 import com.github.tototoshi.sbt.slick.CodegenPlugin.autoImport.{
   slickCodegenDatabasePassword,
   slickCodegenDatabaseUrl,
@@ -15,12 +17,15 @@ import com.github.tototoshi.sbt.slick.CodegenPlugin.autoImport.{
 import _root_.slick.codegen.SourceCodeGenerator
 import _root_.slick.{model => m}
 
-lazy val databaseUrl = sys.env.getOrElse(
+lazy val codegenDbHost = sys.env.getOrElse("CODEGEN_DB_HOST", "localhost")
-  "DB_DEFAULT_URL",
+lazy val codegenDbPort = sys.env.getOrElse("CODEGEN_DB_PORT", "5432")
-  "jdbc:postgresql://localhost:5432/test_db"
+lazy val codegenDbName = sys.env.getOrElse("CODEGEN_DB_NAME", "test_db")
-)
+
-lazy val databaseUser = sys.env.getOrElse("DB_DEFAULT_USER", "test_user")
+lazy val databaseUrl =
-lazy val databasePassword = sys.env.getOrElse("DB_DEFAULT_PASSWORD", "password")
+  s"jdbc:postgresql://$codegenDbHost:$codegenDbPort/$codegenDbName"
+
+lazy val databaseUser = sys.env.getOrElse("CODEGEN_DB_USER", "test_user")
+lazy val databasePassword = sys.env.getOrElse("CODEGEN_DB_PASSWORD", "password")
 
 lazy val flyway = (project in file("modules/flyway"))
   .enablePlugins(FlywayPlugin)
@@ -34,11 +39,17 @@ lazy val flyway = (project in file("modules/flyway"))
   )
 
 lazy val root = (project in file("."))
-  .enablePlugins(CodegenPlugin)
+  .enablePlugins(CodegenPlugin, DockerPlugin, JavaAppPackaging)
   .settings(
     organization := "wow.doge",
     name := "http4s-demo",
     version := "0.0.1-SNAPSHOT",
+    version in Docker := "0.0.1",
+    dockerExposedPorts ++= Seq(9000, 9001),
+    dockerBaseImage := "openjdk:11-slim",
+    dockerUsername := Some("rohansircar"),
+    // dockerVe
+    // dockerRepository := ""
     scalacOptions ++= Seq(
       "-encoding",
       "UTF-8",
@@ -70,12 +81,13 @@ lazy val root = (project in file("."))
       "org.typelevel"   %% "munit-cats-effect-2" % MunitCatsEffectVersion % Test,
       "ch.qos.logback"  %  "logback-classic"     % LogbackVersion,
       "org.scalameta"   %% "svm-subs"            % "20.2.0",
-      "co.fs2" %% "fs2-reactive-streams" % "2.5.0"
+      "co.fs2" %% "fs2-reactive-streams" % "2.5.0",
     ),
     //format: on
     libraryDependencies ++= Seq(
       "io.monix" %% "monix" % "3.3.0",
-      "io.monix" %% "monix-bio" % "1.1.0",
+      // "io.monix" %% "monix-bio" % "1.1.0",
+      "com.github.monix" % "monix-bio" % "0a2ad29275",
       "io.circe" %% "circe-core" % "0.13.0",
       "io.circe" %% "circe-generic" % "0.13.0",
       "com.softwaremill.sttp.client" %% "core" % "2.2.9",
@@ -103,7 +115,14 @@ lazy val root = (project in file("."))
       "com.github.pureconfig" %% "pureconfig" % "0.14.0",
       "io.scalaland" %% "chimney" % "0.6.0",
       "com.rms.miu" %% "slick-cats" % "0.10.4",
-      "com.kubukoz" %% "slick-effect" % "0.3.0"
+      "com.kubukoz" %% "slick-effect" % "0.3.0",
+      "io.circe" %% "circe-fs2" % "0.13.0",
+      // "org.scalameta" %% "munit" % "0.7.23" % Test,
+      "de.lolhens" %% "munit-tagless-final" % "0.0.1" % Test,
+      "org.scalameta" %% "munit-scalacheck" % "0.7.23" % Test,
+      "org.scalacheck" %% "scalacheck" % "1.15.3" % Test,
+      "com.dimafeng" %% "testcontainers-scala-munit" % "0.39.3" % Test,
+      "com.dimafeng" %% "testcontainers-scala-postgresql" % "0.39.3" % Test
     ),
     addCompilerPlugin("org.typelevel" %% "kind-projector" % "0.10.3"),
     addCompilerPlugin("com.olegpy" %% "better-monadic-for" % "0.3.1"),
@@ -162,7 +181,7 @@ lazy val root = (project in file("."))
           override def Column = new Column(_) {
             override def rawType = model.tpe match {
               case "java.sql.Timestamp" =>
-                "java.time.Instant" // kill j.s.Timestamp
+                "java.time.LocalDateTime" // kill j.s.Timestamp
               case _ =>
                 super.rawType
             }

build.sh

@@ -0,0 +1,23 @@
+# export POSTGRES_DB=codegen_db
+export CODEGEN_DB_HOST=localhost
+export CODEGEN_DB_NAME=codegen_db
+export CODEGEN_DB_USER=codegen_user
+export CODEGEN_DB_PASSWORD=password
+export CODEGEN_DB_PORT=5435
+
+cid=$(docker run \
+-e POSTGRES_DB=$CODEGEN_DB_NAME \
+-e POSTGRES_USER=$CODEGEN_DB_USER \
+-e POSTGRES_PASSWORD=$CODEGEN_DB_PASSWORD \
+-p $CODEGEN_DB_PORT:5432 \
+-d postgres:12)
+
+echo "Container id is $cid"
+sleep 5s
+# ./wait-for-it.sh localhost:5434 -s -t 300 -- echo "db started"
+sbtn flyway/flywayMigrate
+sbtn docker:publishLocal
+sbtn shutdown
+
+docker stop $cid
+docker rm $cid

captain-definition

@@ -0,0 +1,4 @@
+{
+  "schemaVersion": 2,
+  "image": "rohansircar/http4s-demo:0.0.1"
+ }

modules/flyway/src/main/resources/db/migration/default/V1__create_users_table.sql

@@ -1,6 +0,0 @@
-create table "users" (
-  "id" VARCHAR(255) PRIMARY KEY NOT NULL,
-  "email" VARCHAR(1024) NOT NULL,
-  created_at TIMESTAMP NOT NULL,
-  updated_at TIMESTAMP NULL
-);

modules/flyway/src/main/resources/db/migration/default/V1__library_schema.sql

@@ -0,0 +1,36 @@
+create table authors (
+    author_id SERIAL PRIMARY KEY,
+    author_name VARCHAR(30) NOT NULL
+);
+
+CREATE TABLE books (
+    book_id SERIAL PRIMARY KEY,
+    isbn VARCHAR(50) UNIQUE NOT NULL,
+    book_title VARCHAR(30) NOT NULL,
+    author_id INTEGER REFERENCES authors(author_id) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+create table books_store (
+    books_store_id SERIAL PRIMARY KEY,
+    book_id INTEGER REFERENCES books(book_id) NOT NULL,
+    quantity INTEGER NOT NULL
+);
+
+create table book_expiry (
+    book_expiry_id SERIAL PRIMARY KEY,
+    book_id INTEGER REFERENCES books(book_id) NOT NULL,
+    discontinued BOOLEAN NOT NULL
+);
+
+create table users (
+    user_id SERIAL PRIMARY KEY NOT NULL,
+    user_name VARCHAR(30) NOT NULL
+);
+
+create table checkouts (
+    checkout_id SERIAL PRIMARY KEY,
+    book_id INTEGER REFERENCES books(book_id) NOT NULL,
+    taken_by INTEGER REFERENCES users(user_id) NOT NULL,
+    return_time timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
+);

modules/flyway/src/main/resources/db/migration/default/V2__add_user.sql

@@ -1,6 +0,0 @@
-INSERT INTO "users" VALUES (
-  'd074bce8-a8ca-49ec-9225-a50ffe83dc2f',
-  'myuser@example.com',
-  (TIMESTAMP '2013-03-26T17:50:06Z'),
-  (TIMESTAMP '2013-03-26T17:50:06Z')
-);

modules/flyway/src/main/resources/db/migration/default/V2__sample_data.sql

@@ -0,0 +1,69 @@
+insert into
+    authors (author_name)
+values
+    ('Author1');
+
+insert into
+    authors (author_name)
+values
+    ('Author2');
+
+insert into
+    authors (author_name)
+values
+    ('Author3');
+
+insert into
+    books (isbn, book_title, author_id)
+values
+    ('aebwegbwe', 'book1', 3);
+
+insert into
+    books (isbn, book_title, author_id)
+values
+    ('abeqegbqeg', 'book2', 2);
+
+insert into
+    books (isbn, book_title, author_id)
+values
+    ('aebhqeqegq', 'book3', 1);
+
+insert into
+    books_store (book_id, quantity)
+values
+    (1, 5);
+
+insert into
+    books_store (book_id, quantity)
+values
+    (2, 3);
+
+insert into
+    books_store (book_id, quantity)
+values
+    (3, 8);
+
+insert into
+    book_expiry (book_id, discontinued)
+values
+    (1, false);
+
+insert into
+    book_expiry (book_id, discontinued)
+values
+    (2, false);
+
+insert into
+    book_expiry (book_id, discontinued)
+values
+    (3, false);
+
+insert into
+    users (user_name)
+values
+    ('user1');
+
+insert into
+    users (user_name)
+values
+    ('user2');

modules/flyway/src/main/resources/db/migration/default/V3__create_cars_table.sql

@@ -1,6 +0,0 @@
-create table "cars" (
-  "id" VARCHAR(255) PRIMARY KEY NOT NULL,
-  "model" VARCHAR(1024) NOT NULL,
-  created_at TIMESTAMP NOT NULL,
-  updated_at TIMESTAMP NULL
-);

modules/flyway/src/main/resources/db/migration/default/V4__add_car.sql

@@ -1,6 +0,0 @@
-INSERT INTO "cars" VALUES (
-  'd074bce8-a8ca-49ec-9225-a50ffe83dc2f',
-  'gxxer',
-  (TIMESTAMP '2013-03-26T17:50:06Z'),
-  (TIMESTAMP '2013-03-26T17:50:06Z')
-);

modules/flyway/src/main/resources/db/migration/default/V5__authors_books_table.sql

@@ -1,12 +0,0 @@
-create table authors (
-  id SERIAL PRIMARY KEY,
-  name VARCHAR(15) NOT NULL
-);
-
-create table books (
-  id SERIAL PRIMARY KEY,
-  title VARCHAR(50) NOT NULL,
-  author_id INTEGER NOT NULL,
-  FOREIGN KEY(author_id) REFERENCES authors(id),
-  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
-);

modules/flyway/src/main/resources/db/migration/default/V6__insert_books_and_authors.sql

@@ -1,14 +0,0 @@
--- create table authors (
---     id INTEGER PRIMARY KEY NOT NULL,
---     name VARCHAR(15)
--- );
-
--- create table books (
---     id INTEGER PRIMARY KEY NOT NULL,
---     title VARCHAR(15) NOT NULL,
---     author_id INTEGER NOT NULL,
---   	FOREIGN KEY(author_id) REFERENCES authors(id)
--- );
-
-INSERT INTO authors (name) VALUES ('Jane Austen');
-INSERT INTO books (title, author_id) VALUES ('Pride and Prejudice', 1);

native

@@ -0,0 +1,11 @@
+native-image --trace-class-initialization --static -H:+ReportExceptionStackTraces -H:+AddAllCharsets --allow-incomplete-classpath --no-fallback --initialize-at-build-time --enable-http --enable-https --enable-all-security-services --initialize-at-run-time=org.flywaydb.core.internal.scanner.cloud.s3.AwsS3Scanner \
+--initialize-at-run-time=org.flywaydb.core.internal.scanner.classpath.jboss.JBossVFSv3ClassPathLocationScanner \
+--initialize-at-run-time=org.postgresql.sspi.SSPIClient \
+--initialize-at-build-time=scala.runtime.Statics$VM \
+--initialize-at-run-time=scala.tools.nsc.profile.ExtendedThreadMxBean \
+ --verbose -jar "./target/scala-2.13/http4s-demo-assembly-0.0.1-SNAPSHOT.jar" http4s-demoBinaryImage 
+
+
+
+ --initialize-at-run-time=scala.tools.nsc.profile.ExtendedThreadMxBean \
+ --initialize-at-build-time=scala.tools.nsc.profile.SunThreadMxBean \

project/plugins.sbt

@@ -5,8 +5,10 @@ addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.10")
 // https://github.com/tototoshi/sbt-slick-codegen
 libraryDependencies += "com.h2database" % "h2" % "1.4.196"
 libraryDependencies += "org.postgresql" % "postgresql" % "42.2.18"
+
 addSbtPlugin("com.github.tototoshi" % "sbt-slick-codegen" % "1.4.0")
 // Database migration
 // https://github.com/flyway/flyway-sbt
 addSbtPlugin("io.github.davidmweber" % "flyway-sbt" % "7.4.0")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.23")
+addSbtPlugin("com.typesafe.sbt" % "sbt-native-packager" % "1.8.0")

scripts/.env

@@ -0,0 +1,5 @@
+export POSTGRES_DB=codegen_db
+export CODEGEN_DB_HOST=localhost
+export CODEGEN_DB_NAME=codegen_db
+export CODEGEN_DB_USER=codegen_user
+export CODEGEN_DB_PASSWORD=password

scripts/app.Dockerfile

@@ -0,0 +1,46 @@
+FROM scala/coursier-sbt:0.0.2
+
+ARG DOCKER_TAG
+
+# RUN apt-get update
+# RUN apt-get -y install git
+# RUN apt-get -y install curl
+# RUN sh -c '(echo "#!/usr/bin/env sh" && curl -fLo cs https://git.io/coursier-cli-"$(uname | tr LD ld)") && chmod +x cs'
+# RUN ./cs install cs
+# ENV PATH=${PATH}:/root/.local/share/coursier/bin
+# RUN export PATH="$PATH:/root/.local/share/coursier/bin"
+# RUN rm ./cs
+
+# ENV PATH=${PATH}:/root/.local/share/coursier/bin
+# RUN export PATH="$PATH:/root/.local/share/coursier/bin"
+# RUN mkdir -p /root/.local/share/coursier
+# COPY coursier/bin /root/.local/share/coursier/bin
+# RUN echo $PATH
+# RUN cs install sbt
+
+RUN mkdir -p /usr/src/app/bin
+WORKDIR /usr/src/app
+COPY ./ /usr/src/app
+
+# RUN cat /etc/hosts
+
+# COPY wait-for-it.sh wait-for-it.sh 
+# RUN chmod +x wait-for-it.sh
+# ENTRYPOINT [ "/bin/bash", "-c" ]
+# CMD ["./wait-for-it.sh" , "project_db:5432" , "--strict" , "--timeout=30000" , "--" , "echo 'db has started'"]
+# RUN bash ./wait-for-it.sh project_db:5432 --timeout=3000 --strict -- echo "db is up"
+
+# RUN cat /etc/hosts
+# CMD [ "sbt" , "flyway/flywayMigrate" ]
+# CMD ["sbtn","universal:packageBin"]
+# CMD sh sbtn flyway/flywayMigrate; sbtn universal:packageBin
+# RUN sbt flyway/flywayMigrate
+# RUN sbt docker:stage
+
+CMD sh Docker/app.sh
+
+# CMD ["coursier", "--help"]
+
+# RUN coursier install sbt
+# RUN sbt docker:stage
+# RUN 

scripts/app.sh

@@ -0,0 +1,7 @@
+sbtn flyway/flywayMigrate
+sbtn universal:packageZipTarball
+tar -xf target/universal/http4s-demo-0.0.1-SNAPSHOT.tgz -C bin
+# ./http4s-demo-0.0.1-SNAPSHOT/bin/http4s-demo
+# sbtn docker:stage
+# mv targer/docker/** bin
+rm -r target

scripts/curl

@@ -0,0 +1,7 @@
+curl -X POST -H "content-type: application/json" http://localhost:8081/api/post/book --data '{"aege":"aaegqE"}'
+curl http://localhost:8081/api/get/books
+curl http://localhost:8081/api/get/book/1
+curl -X POST -H "content-type: application/json" http://localhost:8081/api/post/book --data '{"title":"aaegqE", "authorId": 1}'
+curl -X PATCH -H "content-type: application/json" http://localhost:8081/api/update/book/2 --data '{"title":"abwbewe"}'
+
+

scripts/db.Dockerfile

@@ -0,0 +1,4 @@
+FROM postgres:12
+ENV POSTGRES_USER test_user
+ENV POSTGRES_PASSWORD password
+ENV POSTGRES_DB test_db

scripts/db.sh

@@ -0,0 +1,6 @@
+docker run  \
+-e POSTGRES_DB=test_db \
+-e POSTGRES_USER=test_user \
+-e POSTGRES_PASSWORD=password \
+-p 5433:5432 \
+postgres:12

scripts/docker-compose.yml

@@ -0,0 +1,41 @@
+version: "3.3"
+services:
+    
+             
+    db:
+      container_name: project_db
+      image: postgres:12
+    #   build:
+    #     context: ./Docker
+    #     dockerfile: db.Dockerfile
+      environment: 
+        POSTGRES_DB: 'codegen_db'
+        POSTGRES_USER: 'codegen_user'
+        POSTGRES_PASSWORD: 'password'
+    #   volumes:
+    #     - ./var/pgdata:/var/lib/postgresql/data
+      ports:
+        - "5432:5433"
+    #   network_mode: host
+    backend:
+        container_name: project_backend
+        build: 
+          context: .
+          dockerfile: app.Dockerfile
+        # ports:
+        #   - "9000:9001"
+        environment: 
+          POSTGRES_DB: 'codegen_db'
+          CODEGEN_DB_HOST: 'project_db'
+          CODEGEN_DB_NAME: 'codegen_db'
+          CODEGEN_DB_USER: 'codegen_user'
+          CODEGEN_DB_PASSWORD: 'password'
+        volumes:
+          - ./app:/usr/src/app/bin
+        # links:
+        #   - db
+        # # command: ["./wait-for-it.sh", "project_db:5432", "--strict" , "--timeout=30000" , "--" , "echo 'db has started'"]
+        # depends_on:
+        #   - db
+        #         # condition: service_healthy
+    

scripts/test.Dockerfile

@@ -0,0 +1,4 @@
+FROM scala/coursier/sbt:v0.0.1
+# RUN apt search docker
+RUN apt install -y docker.io
+RUN docker --help

src/main/resources/META-INF/native-image/wow/doge/http4sdemo/jni-config.json

@@ -0,0 +1,22 @@
+[
+{
+  "name":"java.lang.ClassLoader",
+  "methods":[{"name":"getPlatformClassLoader","parameterTypes":[] }]
+},
+{
+  "name":"java.lang.NoSuchMethodError"
+},
+{
+  "name":"sun.management.VMManagementImpl",
+  "fields":[
+    {"name":"compTimeMonitoringSupport"}, 
+    {"name":"currentThreadCpuTimeSupport"}, 
+    {"name":"objectMonitorUsageSupport"}, 
+    {"name":"otherThreadCpuTimeSupport"}, 
+    {"name":"remoteDiagnosticCommandsSupport"}, 
+    {"name":"synchronizerUsageSupport"}, 
+    {"name":"threadAllocatedMemorySupport"}, 
+    {"name":"threadContentionMonitoringSupport"}
+  ]
+}
+]

src/main/resources/META-INF/native-image/wow/doge/http4sdemo/reflect-config.json

@@ -1,6 +1,5 @@
-[
+[{
-    {
+        "name": "org.slf4j.impl.StaticLoggerBinder",
-        "name":  "org.slf4j.impl.StaticLoggerBinder",
         "allDeclaredConstructors": true
     },
     {
@@ -165,16 +164,314 @@
     },
     {
         "name": "ch.qos.logback.classic.encoder.PatternLayoutEncoder",
-        "allPublicMethods":true,
+        "allPublicMethods": true,
         "allDeclaredConstructors": true
     },
     {
         "name": "ch.qos.logback.core.ConsoleAppender",
-        "allPublicMethods":true,
+        "allPublicMethods": true,
         "allDeclaredConstructors": true
     },
     {
         "name": "com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl",
         "allDeclaredConstructors": true
+    },
+    {
+        "name": "com.zaxxer.hikari.HikariConfig",
+        "allDeclaredFields": true
+    },
+    {
+        "name": "com.zaxxer.hikari.util.ConcurrentBag$IConcurrentBagEntry[]"
+    },
+    {
+        "name": "java.io.FilePermission"
+    },
+    {
+        "name": "java.lang.RuntimePermission"
+    },
+    {
+        "name": "java.lang.String[]"
+    },
+    {
+        "name": "java.lang.invoke.VarHandle",
+        "methods": [{ "name": "releaseFence", "parameterTypes": [] }]
+    },
+    {
+        "name": "java.lang.reflect.Method[]"
+    },
+    {
+        "name": "java.net.NetPermission"
+    },
+    {
+        "name": "java.net.SocketPermission"
+    },
+    {
+        "name": "java.net.URLPermission",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.String", "java.lang.String"] }]
+    },
+    {
+        "name": "java.nio.ByteBuffer[]"
+    },
+    {
+        "name": "java.security.AlgorithmParametersSpi"
+    },
+    {
+        "name": "java.security.AllPermission"
+    },
+    {
+        "name": "java.security.KeyStoreSpi"
+    },
+    {
+        "name": "java.security.MessageDigestSpi"
+    },
+    {
+        "name": "java.security.SecureRandomParameters"
+    },
+    {
+        "name": "java.security.SecurityPermission"
+    },
+    {
+        "name": "java.sql.Statement[]"
+    },
+    {
+        "name": "java.util.PropertyPermission"
+    },
+    {
+        "name": "javax.management.ObjectName"
+    },
+    {
+        "name": "javax.security.auth.x500.X500Principal",
+        "fields": [{ "name": "thisX500Name" }],
+        "methods": [{ "name": "<init>", "parameterTypes": ["sun.security.x509.X500Name"] }]
+    },
+    {
+        "name": "monix.execution.internal.atomic.LeftRight128Java8BoxedObjectImpl",
+        "fields": [{ "name": "value", "allowUnsafeAccess": true }]
+    },
+    {
+        "name": "monix.execution.internal.atomic.NormalJava8BoxedInt",
+        "fields": [{ "name": "value", "allowUnsafeAccess": true }]
+    },
+    {
+        "name": "monix.execution.internal.atomic.NormalJava8BoxedObject",
+        "fields": [{ "name": "value", "allowUnsafeAccess": true }]
+    },
+    {
+        "name": "org.flywaydb.core.api.Location[]"
+    },
+    {
+        "name": "org.flywaydb.core.internal.logging.slf4j.Slf4jLogCreator",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "org.h2.Driver"
+    },
+    {
+        "name": "org.http4s.blaze.channel.nio1.SelectorLoop[]"
+    },
+    {
+        "name": "org.http4s.blaze.util.TickWheelExecutor$Bucket[]"
+    },
+    {
+        "name": "org.postgresql.Driver",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "org.postgresql.PGProperty",
+        "fields": [
+            { "name": "ALLOW_ENCODING_CHANGES" },
+            { "name": "APPLICATION_NAME" },
+            { "name": "ASSUME_MIN_SERVER_VERSION" },
+            { "name": "AUTOSAVE" },
+            { "name": "BINARY_TRANSFER" },
+            { "name": "BINARY_TRANSFER_DISABLE" },
+            { "name": "BINARY_TRANSFER_ENABLE" },
+            { "name": "CANCEL_SIGNAL_TIMEOUT" },
+            { "name": "CLEANUP_SAVEPOINTS" },
+            { "name": "CONNECT_TIMEOUT" },
+            { "name": "CURRENT_SCHEMA" },
+            { "name": "DATABASE_METADATA_CACHE_FIELDS" },
+            { "name": "DATABASE_METADATA_CACHE_FIELDS_MIB" },
+            { "name": "DEFAULT_ROW_FETCH_SIZE" },
+            { "name": "DISABLE_COLUMN_SANITISER" },
+            { "name": "ESCAPE_SYNTAX_CALL_MODE" },
+            { "name": "GSS_ENC_MODE" },
+            { "name": "GSS_LIB" },
+            { "name": "HIDE_UNPRIVILEGED_OBJECTS" },
+            { "name": "HOST_RECHECK_SECONDS" },
+            { "name": "JAAS_APPLICATION_NAME" },
+            { "name": "JAAS_LOGIN" },
+            { "name": "KERBEROS_SERVER_NAME" },
+            { "name": "LOAD_BALANCE_HOSTS" },
+            { "name": "LOGGER_FILE" },
+            { "name": "LOGGER_LEVEL" },
+            { "name": "LOGIN_TIMEOUT" },
+            { "name": "LOG_SERVER_ERROR_DETAIL" },
+            { "name": "LOG_UNCLOSED_CONNECTIONS" },
+            { "name": "MAX_RESULT_BUFFER" },
+            { "name": "OPTIONS" },
+            { "name": "PASSWORD" },
+            { "name": "PG_DBNAME" },
+            { "name": "PG_HOST" },
+            { "name": "PG_PORT" },
+            { "name": "PREFER_QUERY_MODE" },
+            { "name": "PREPARED_STATEMENT_CACHE_QUERIES" },
+            { "name": "PREPARED_STATEMENT_CACHE_SIZE_MIB" },
+            { "name": "PREPARE_THRESHOLD" },
+            { "name": "PROTOCOL_VERSION" },
+            { "name": "READ_ONLY" },
+            { "name": "READ_ONLY_MODE" },
+            { "name": "RECEIVE_BUFFER_SIZE" },
+            { "name": "REPLICATION" },
+            { "name": "REWRITE_BATCHED_INSERTS" },
+            { "name": "SEND_BUFFER_SIZE" },
+            { "name": "SOCKET_FACTORY" },
+            { "name": "SOCKET_FACTORY_ARG" },
+            { "name": "SOCKET_TIMEOUT" },
+            { "name": "SSL" },
+            { "name": "SSL_CERT" },
+            { "name": "SSL_FACTORY" },
+            { "name": "SSL_FACTORY_ARG" },
+            { "name": "SSL_HOSTNAME_VERIFIER" },
+            { "name": "SSL_KEY" },
+            { "name": "SSL_MODE" },
+            { "name": "SSL_PASSWORD" },
+            { "name": "SSL_PASSWORD_CALLBACK" },
+            { "name": "SSL_ROOT_CERT" },
+            { "name": "SSPI_SERVICE_CLASS" },
+            { "name": "STRING_TYPE" },
+            { "name": "TARGET_SERVER_TYPE" },
+            { "name": "TCP_KEEP_ALIVE" },
+            { "name": "UNKNOWN_LENGTH" },
+            { "name": "USER" },
+            { "name": "USE_SPNEGO" },
+            { "name": "XML_FACTORY_FACTORY" }
+        ]
+    },
+    {
+        "name": "org.slf4j.Logger"
+    },
+    {
+        "name": "org.slf4j.impl.StaticLoggerBinder"
+    },
+    {
+        "name": "scala.Symbol",
+        "methods": [{ "name": "apply", "parameterTypes": ["java.lang.String"] }]
+    },
+    {
+        "name": "scala.concurrent.BlockContext$",
+        "allDeclaredMethods": true
+    },
+    {
+        "name": "scala.util.Either[]"
+    },
+    {
+        "name": "slick.jdbc.hikaricp.HikariCPJdbcDataSource$",
+        "fields": [{ "name": "MODULE$" }]
+    },
+    {
+        "name": "slick.relational.ResultConverter[]"
+    },
+    {
+        "name": "sun.misc.Unsafe",
+        "fields": [{ "name": "theUnsafe" }],
+        "methods": [
+            { "name": "fullFence", "parameterTypes": [] },
+            { "name": "getAndAddInt", "parameterTypes": ["java.lang.Object", "long", "int"] },
+            { "name": "getAndAddLong", "parameterTypes": ["java.lang.Object", "long", "long"] },
+            { "name": "getAndSetObject", "parameterTypes": ["java.lang.Object", "long", "java.lang.Object"] }
+        ]
+    },
+    {
+        "name": "sun.security.pkcs12.PKCS12KeyStore",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.pkcs12.PKCS12KeyStore$DualFormatPKCS12",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.provider.JavaKeyStore$JKS",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.provider.MD5",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.provider.NativePRNG",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.provider.SHA",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.provider.X509Factory",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.rsa.RSAKeyFactory$Legacy",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.ssl.KeyManagerFactoryImpl$SunX509",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.ssl.SSLContextImpl$DefaultSSLContext",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.ssl.TrustManagerFactoryImpl$PKIXFactory",
+        "methods": [{ "name": "<init>", "parameterTypes": [] }]
+    },
+    {
+        "name": "sun.security.x509.AuthorityInfoAccessExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.AuthorityKeyIdentifierExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.BasicConstraintsExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.CRLDistributionPointsExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.CertificatePoliciesExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.ExtendedKeyUsageExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.IssuerAlternativeNameExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.KeyUsageExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.NetscapeCertTypeExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.PrivateKeyUsageExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.SubjectAlternativeNameExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
+    },
+    {
+        "name": "sun.security.x509.SubjectKeyIdentifierExtension",
+        "methods": [{ "name": "<init>", "parameterTypes": ["java.lang.Boolean", "java.lang.Object"] }]
     }
-]
+]

src/main/resources/META-INF/native-image/wow/doge/http4sdemo/resource-config.json

@@ -0,0 +1,19 @@
+{
+  "resources":{
+  "includes":[
+    {"pattern":"\\QMETA-INF/services/java.sql.Driver\\E"}, 
+    {"pattern":"\\Qapplication.conf\\E"}, 
+    {"pattern":"\\Qdb/migration/default/V1__create_users_table.sql\\E"}, 
+    {"pattern":"\\Qdb/migration/default/V2__add_user.sql\\E"}, 
+    {"pattern":"\\Qdb/migration/default/V3__create_cars_table.sql\\E"}, 
+    {"pattern":"\\Qdb/migration/default/V4__add_car.sql\\E"}, 
+    {"pattern":"\\Qdb/migration/default/V5__authors_books_table.sql\\E"}, 
+    {"pattern":"\\Qdb/migration/default/V6__insert_books_and_authors.sql\\E"}, 
+    {"pattern":"\\Qdb/migration/default\\E"}, 
+    {"pattern":"\\Qlogback.xml\\E"}, 
+    {"pattern":"\\Qorg/flywaydb/core/internal/version.txt\\E"}, 
+    {"pattern":"\\Qorg/slf4j/impl/StaticLoggerBinder.class\\E"}, 
+    {"pattern":"\\Qreference.conf\\E"}
+  ]},
+  "bundles":[]
+}

src/main/resources/META-INF/native-image/wow/doge/http4sdemo/serialization-config.json

@@ -0,0 +1,2 @@
+[
+]

src/main/resources/application.conf

@@ -10,15 +10,15 @@ myapp = {
     // the number of connections determines you many things you can *keep in memory* at the same time
     // on the database server.
     // numThreads = (core_count (hyperthreading included))
-    numThreads = 20
+    numThreads = 16
 
     // queueSize = ((core_count * 2) + effective_spindle_count)
     // on a MBP 13, this is 2 cores * 2 (hyperthreading not included) + 1 hard disk
-    queueSize = 10
+    queueSize = 1000
 
     // https://blog.knoldus.com/2016/01/01/best-practices-for-using-slick-on-production/
     // make larger than numThreads + queueSize
-    maxConnections = 20
+    maxConnections = 16
 
     connectionTimeout = 5000
     validationTimeout = 5000
@@ -32,6 +32,18 @@ myapp = {
       # "classpath:example/jdbc"
       "classpath:db/migration/default"
     ]
+  },
+  testDatabase = {
+    driver = org.postgresql.Driver
+    user = "scala"
+    password = "scala"
+
+    numThreads = 16
+
+    queueSize = 10
+
+    maxConnections = 36
+
   }
 }
 

src/main/scala/wow/doge/http4sdemo/Http4sdemoRoutes.scala

@@ -5,17 +5,17 @@ import cats.implicits._
 import fs2.interop.reactivestreams._
 import io.circe.Codec
 import io.circe.generic.semiauto._
+import monix.bio.IO
 import monix.bio.Task
-import monix.reactive.Observable
+import monix.bio.UIO
 import org.http4s.HttpRoutes
 import org.http4s.dsl.Http4sDsl
-import slick.jdbc.JdbcBackend.DatabaseDef
-import slick.jdbc.JdbcProfile
 import wow.doge.http4sdemo.dto.Book
+import wow.doge.http4sdemo.dto.BookSearchMode
 import wow.doge.http4sdemo.dto.BookUpdate
 import wow.doge.http4sdemo.dto.NewBook
 import wow.doge.http4sdemo.services.LibraryService
-import wow.doge.http4sdemo.slickcodegen.Tables._
+
 object Http4sdemoRoutes {
 
   def jokeRoutes[F[_]: Sync](J: Jokes[F]): HttpRoutes[F] = {
@@ -41,44 +41,50 @@ object Http4sdemoRoutes {
     }
   }
 
-  def userRoutes(userService: UserService): HttpRoutes[Task] = {
-    val dsl = Http4sDsl[Task]
-    import dsl._
-    import org.http4s.circe.CirceEntityCodec._
-    HttpRoutes.of[Task] { case GET -> Root / "users" =>
-      Task.deferAction(implicit s =>
-        for {
-          _ <- Task.unit
-          users = userService.users.toReactivePublisher.toStream[Task]
-          res <- Ok(users)
-        } yield res
-      )
-    }
-  }
-
   def libraryRoutes(libraryService: LibraryService): HttpRoutes[Task] = {
     val dsl = Http4sDsl[Task]
     import dsl._
+    object Value extends QueryParamDecoderMatcher[String]("value")
     HttpRoutes.of[Task] {
-      case GET -> Root / "api" / "get" / "books" =>
+
+      case GET -> Root / "api" / "get" / "book" :?
+          BookSearchMode.Matcher(mode) +& Value(value) =>
         import org.http4s.circe.streamJsonArrayEncoder
         import io.circe.syntax._
-        Task.deferAction(implicit s =>
+        IO.deferAction(implicit s =>
           for {
-            books <- Task.pure(
+            books <- IO.pure(
-              libraryService.getBooks.toReactivePublisher
+              libraryService
+                .searchBook(mode, value)
+                .toReactivePublisher
                 .toStream[Task]
             )
             res <- Ok(books.map(_.asJson))
           } yield res
         )
 
-      case GET -> Root / "api" / "get" / "book" / IntVar(id) =>
+      case GET -> Root / "api" / "get" / "books" =>
-        // import org.http4s.circe.CirceEntityCodec._
+        import org.http4s.circe.streamJsonArrayEncoder
-        import org.http4s.circe.jsonEncoder
         import io.circe.syntax._
+        Task.deferAction(implicit s =>
+          for {
+            books <- IO.pure(
+              libraryService.getBooks.toReactivePublisher
+                .toStream[Task]
+            )
+            res <- Ok(books.map(_.asJson))
+            // res <- Ok(streamJsonArrayEncoderOf[Task, Book].(books))
+          } yield res
+        )
+
+      case GET -> Root / "blah" => Ok().hideErrors
+
+      case GET -> Root / "api" / "get" / "book" / IntVar(id) =>
+        import org.http4s.circe.CirceEntityCodec._
+        // import org.http4s.circe.jsonEncoder
+        // import io.circe.syntax._
         for {
-          bookJson <- libraryService.getBookById(id).map(_.asJson)
+          bookJson <- libraryService.getBookById(id)
           res <- Ok(bookJson)
         } yield res
 
@@ -86,22 +92,36 @@ object Http4sdemoRoutes {
         import org.http4s.circe.CirceEntityCodec._
         for {
           newBook <- req.as[NewBook]
-          book <- libraryService.insertBook(newBook)
+          // .onErrorHandleWith {
-          res <- Created(book)
+          //   case ParseF
+          // }
+          res <- libraryService
+            .insertBook(newBook)
+            .flatMap(book => Created(book).hideErrors)
+            .mapErrorPartialWith {
+              case LibraryService.EntityDoesNotExist(message) =>
+                BadRequest(message).hideErrors
+              case LibraryService.EntityAlreadyExists(message) =>
+                BadRequest(message).hideErrors
+              // case LibraryService.MyError2(_) => Ok().hideErrors
+              // case C3                         => Ok().hideErrors
+            }
         } yield res
 
       case req @ PATCH -> Root / "api" / "update" / "book" / IntVar(id) =>
         import org.http4s.circe.CirceEntityCodec._
         for {
           updateData <- req.as[BookUpdate]
-          _ <- libraryService
+          res <- libraryService
             .updateBook(id, updateData)
-            .void
+            .flatMap(_ => Ok().hideErrors)
-            .onErrorHandleWith(ex =>
+            .tapError(err => UIO(println(s"Handled -> ${err.toString}")))
-              Task(println(s"Handled -> ${ex.getMessage}"))
+            .mapErrorPartialWith {
-            )
+              case e @ LibraryService.EntityDoesNotExist(message) =>
-          // .mapError(e => new Exception(e))
+                BadRequest(e: LibraryService.Error).hideErrors
-          res <- Ok()
+              // case LibraryService.MyError2(_) => Ok().hideErrors
+              // case C3                         => Ok().hideErrors
+            }
         } yield res
 
       case req @ DELETE -> Root / "api" / "delete" / "book" / IntVar(id) =>
@@ -122,7 +142,7 @@ object Http4sdemoRoutes {
 
 }
 
-case class User(id: String, email: String)
+final case class User(id: String, email: String)
 object User {
   val tupled = (this.apply _).tupled
   // implicit val decoder: Decoder[User] = deriveDecoder
@@ -133,12 +153,3 @@ object User {
   //   jsonEncoderOf
   implicit val codec: Codec[User] = deriveCodec
 }
-
-class UserService(profile: JdbcProfile, db: DatabaseDef) {
-  import profile.api._
-  def users: Observable[User] =
-    Observable.fromReactivePublisher(
-      db.stream(Users.map(u => (u.id, u.email).mapTo[User]).result)
-    )
-
-}

src/main/scala/wow/doge/http4sdemo/Http4sdemoServer.scala

@@ -11,7 +11,7 @@ import org.http4s.server.middleware.Logger
 import slick.jdbc.JdbcBackend.DatabaseDef
 import slick.jdbc.JdbcProfile
 import wow.doge.http4sdemo.services.LibraryDbio
-import wow.doge.http4sdemo.services.LibraryService
+import wow.doge.http4sdemo.services.LibraryServiceImpl
 
 object Http4sdemoServer {
 
@@ -23,23 +23,22 @@ object Http4sdemoServer {
       client <- BlazeClientBuilder[Task](s).stream
       helloWorldAlg = HelloWorld.impl
       jokeAlg = Jokes.impl(client)
-      ss = new UserService(p, db)
       // Combine Service Routes into an HttpApp.
       // Can also be done via a Router if you
       // want to extract a segments not checked
       // in the underlying routes.
 
       libraryDbio = new LibraryDbio(p)
-      libraryService = new LibraryService(p, libraryDbio, db)
+      libraryService = new LibraryServiceImpl(p, libraryDbio, db)
       httpApp = (
         Http4sdemoRoutes.helloWorldRoutes[Task](helloWorldAlg) <+>
           Http4sdemoRoutes.jokeRoutes[Task](jokeAlg) <+>
-          Http4sdemoRoutes.userRoutes(ss) <+>
           Http4sdemoRoutes.libraryRoutes(libraryService)
       ).orNotFound
 
       // With Middlewares in place
       finalHttpApp = Logger.httpApp(true, true)(httpApp)
+      // _ = {finalHttpApp.run(Request.)}
 
       exitCode <- BlazeServerBuilder[Task](s)
         .bindHttp(8081, "0.0.0.0")

src/main/scala/wow/doge/http4sdemo/Main.scala

@@ -6,10 +6,9 @@ import monix.bio.BIOApp
 import monix.bio.Task
 import monix.bio.UIO
 import slick.jdbc.JdbcProfile
-import wow.doge.http4sdemo.SlickResource
 
 object Main extends BIOApp {
-  val profile: JdbcProfile = _root_.slick.jdbc.H2Profile
+  val profile: JdbcProfile = slick.jdbc.PostgresProfile
   def app = for {
     db <- SlickResource("myapp.database")
     _ <- Resource.liftF(for {

src/main/scala/wow/doge/http4sdemo/dto/Library.scala

@@ -1,45 +1,53 @@
 package wow.doge.http4sdemo.dto
 
-import java.time.Instant
+import java.time.LocalDateTime
 
+import cats.syntax.either._
+import enumeratum.EnumEntry
+import enumeratum._
 import io.circe.Printer
 import io.circe.generic.semiauto._
 import io.scalaland.chimney.dsl._
 import org.http4s.EntityEncoder
+import org.http4s.ParseFailure
+import org.http4s.QueryParamDecoder
 import org.http4s.circe.streamJsonArrayEncoderWithPrinterOf
+import org.http4s.dsl.impl.QueryParamDecoderMatcher
 import slick.jdbc.JdbcProfile
 import wow.doge.http4sdemo.slickcodegen.Tables
 
 final case class Book(
-    id: Int,
+    bookId: Int,
-    title: String,
+    bookTitle: String,
+    isbn: String,
     authorId: Int,
-    createdAt: Instant
+    createdAt: LocalDateTime
 )
 object Book {
-  def tupled = (Book.apply _).tupled
+  def tupled = (apply _).tupled
-  implicit val ec = deriveCodec[Book]
+  implicit val codec = deriveCodec[Book]
   // implicit def streamEntityEncoder[F[_]]
   //     : EntityEncoder[F, fs2.Stream[F, Book]] =
   //   streamJsonArrayEncoderWithPrinterOf(Printer.noSpaces)
   def fromBooksRow(row: Tables.BooksRow) = row.transformInto[Book]
   def fromBooksTableFn(implicit profile: JdbcProfile) = {
     import profile.api._
-    (b: Tables.Books) => (b.id, b.title, b.authorId, b.createdAt).mapTo[Book]
+    (b: Tables.Books) =>
+      (b.bookId, b.bookTitle, b.isbn, b.authorId, b.createdAt).mapTo[Book]
   }
   def fromBooksTable(implicit profile: JdbcProfile) =
     Tables.Books.map(fromBooksTableFn)
 
 }
 
-final case class NewBook(title: String, authorId: Int)
+final case class NewBook(bookTitle: String, isbn: String, authorId: Int)
 object NewBook {
-  def tupled = (NewBook.apply _).tupled
+  def tupled = (apply _).tupled
   implicit val decoder = deriveDecoder[NewBook]
   def fromBooksTable(implicit profile: JdbcProfile) = {
     import profile.api._
 
-    Tables.Books.map(b => (b.title, b.authorId).mapTo[NewBook])
+    Tables.Books.map(b => (b.bookTitle, b.isbn, b.authorId).mapTo[NewBook])
   }
 }
 
@@ -47,36 +55,62 @@ final case class BookUpdate(title: Option[String], authorId: Option[Int]) {
   import com.softwaremill.quicklens._
   def update(row: Tables.BooksRow): Tables.BooksRow =
     row
-      .modify(_.title)
+      .modify(_.bookTitle)
       .setToIfDefined(title)
       .modify(_.authorId)
       .setToIfDefined(authorId)
 }
 object BookUpdate {
-  implicit val decoder = deriveDecoder[BookUpdate]
+  implicit val codec = deriveCodec[BookUpdate]
 }
 
-final case class Author(id: Int, name: String)
+final case class Author(authorId: Int, authorName: String)
 object Author {
-  def tupled = (Author.apply _).tupled
+  def tupled = (apply _).tupled
   implicit val codec = deriveCodec[Author]
   implicit def streamEntityEncoder[F[_]]
       : EntityEncoder[F, fs2.Stream[F, Author]] =
     streamJsonArrayEncoderWithPrinterOf(Printer.noSpaces)
+  def fromAuthorsRow(row: Tables.AuthorsRow) = row.transformInto[Author]
+  def fromAuthorsTableFn(implicit profile: JdbcProfile) = {
+    import profile.api._
+    (a: Tables.Authors) => (a.authorId, a.authorName).mapTo[Author]
+  }
 }
 
 final case class NewAuthor(name: String)
+object NewAuthor {
+  // def fromAuthorsTable(implicit profile: JdbcProfile) = {
+  //   import profile.api._
+
+  //   Tables.Authors.map(a => (a.authorName).mapTo[NewAuthor])
+  // }
+}
 
 final case class BookWithAuthor(
     id: Int,
     title: String,
+    isbn: String,
     author: Author,
-    createdAt: Instant
+    createdAt: LocalDateTime
 )
 object BookWithAuthor {
-  def tupled = (BookWithAuthor.apply _).tupled
+  def tupled = (apply _).tupled
   implicit val codec = deriveCodec[BookWithAuthor]
   implicit def streamEntityEncoder[F[_]]
       : EntityEncoder[F, fs2.Stream[F, BookWithAuthor]] =
     streamJsonArrayEncoderWithPrinterOf(Printer.noSpaces)
 }
+
+sealed trait BookSearchMode extends EnumEntry
+object BookSearchMode extends Enum[BookSearchMode] {
+  val values = findValues
+  case object BookTitle extends BookSearchMode
+  case object AuthorName extends BookSearchMode
+
+  implicit val yearQueryParamDecoder: QueryParamDecoder[BookSearchMode] =
+    QueryParamDecoder[String].emap(s =>
+      withNameEither(s).leftMap(e => ParseFailure(e.getMessage, e.getMessage))
+    )
+  object Matcher extends QueryParamDecoderMatcher[BookSearchMode]("mode")
+}

src/main/scala/wow/doge/http4sdemo/implicits/package.scala

@@ -1,5 +1,7 @@
 package wow.doge.http4sdemo
 
+import scala.util.Try
+
 import monix.bio.IO
 import monix.bio.Task
 import monix.reactive.Observable
@@ -13,6 +15,11 @@ package object implicits {
     def runL[R](a: DBIOAction[R, NoStream, Nothing]) =
       Task.deferFuture(db.run(a))
 
+    def runTryL[R, A](a: DBIOAction[R, NoStream, Nothing])(implicit
+        ev: R <:< Try[A]
+    ) =
+      Task.deferFuture(db.run(a)).flatMap(r => IO.fromTry(ev(r)))
+
     def streamO[T](a: DBIOAction[_, Streaming[T], Nothing]) =
       Observable.fromReactivePublisher(db.stream(a))
   }

src/main/scala/wow/doge/http4sdemo/services/LibraryService.scala

@@ -1,34 +1,104 @@
 package wow.doge.http4sdemo.services
 
+import io.circe.generic.semiauto._
 import monix.bio.IO
 import monix.bio.Task
+import monix.bio.UIO
+import monix.reactive.Observable
 import slick.jdbc.JdbcBackend
 import slick.jdbc.JdbcProfile
+import wow.doge.http4sdemo.dto.Author
 import wow.doge.http4sdemo.dto.Book
+import wow.doge.http4sdemo.dto.BookSearchMode
+import wow.doge.http4sdemo.dto.BookSearchMode.AuthorName
+import wow.doge.http4sdemo.dto.BookSearchMode.BookTitle
 import wow.doge.http4sdemo.dto.BookUpdate
+import wow.doge.http4sdemo.dto.NewAuthor
 import wow.doge.http4sdemo.dto.NewBook
 import wow.doge.http4sdemo.implicits._
 import wow.doge.http4sdemo.slickcodegen.Tables
 
-class LibraryService(
+object LibraryService {
+  sealed trait Error extends Exception {
+    def message: String
+    override def getMessage(): String = message
+  }
+  final case class EntityDoesNotExist(message: String) extends Error
+  final case class EntityAlreadyExists(message: String) extends Error
+  // final case class MyError2(message: String) extends Error
+  // case object C3 extends Error { val message: String = "C3" }
+
+  object Error {
+    implicit val codec = deriveCodec[Error]
+  }
+}
+
+trait LibraryService {
+
+  import LibraryService._
+
+  def getBooks: Observable[Book]
+
+  def getBookById(id: Int): Task[Option[Book]]
+
+  def searchBook(mode: BookSearchMode, value: String): Observable[Book]
+
+  def updateBook(id: Int, updateData: BookUpdate): IO[Error, Unit]
+
+  def deleteBook(id: Int): Task[Int]
+
+  def insertBook(newBook: NewBook): IO[Error, Book]
+
+  def insertAuthor(a: NewAuthor): Task[Int]
+
+  def booksForAuthor(authorId: Int): Observable[Book]
+
+}
+
+class LibraryServiceImpl(
     profile: JdbcProfile,
     dbio: LibraryDbio,
     db: JdbcBackend.DatabaseDef
-) {
+) extends LibraryService {
   import profile.api._
 
-  def getBooks = db.streamO(dbio.getBooks)
+  import LibraryService._
+
+  def getBooks = db.streamO(dbio.getBooks.transactionally)
 
   def getBookById(id: Int) = db.runL(dbio.getBook(id))
 
-  // .map(b =>
+  def searchBook(mode: BookSearchMode, value: String): Observable[Book] =
-  //   (b.title, b.authorId, b.createdAt).mapTo[BookUpdateEntity]
+    mode match {
-  // )
+      case BookTitle =>
+        db.streamO(dbio.getBooksByTitle(value))
 
-  def updateBook(id: Int, updateData: BookUpdate) =
+      case AuthorName =>
+        Observable
+          .fromTask((for {
+            _ <- IO.unit
+            id <- IO(value.toInt)
+            author <- db.runL(dbio.getAuthor(id)).flatMap {
+              case None =>
+                IO.raiseError(
+                  new EntityDoesNotExist(s"Author with id=$id does not exist")
+                )
+              case Some(value) => IO.pure(value)
+            }
+            books = db
+              .streamO(dbio.getBooksForAuthor(id))
+              .map(Book.fromBooksRow)
+          } yield books).toTask)
+          .flatten
+
+    }
+
+  def insertAuthor(a: NewAuthor): Task[Int] = db.runL(dbio.insertAuthor(a))
+
+  def updateBook(id: Int, updateData: BookUpdate): IO[Error, Unit] =
     for {
-      action <- IO.deferAction { implicit s =>
+      action <- UIO.deferAction(implicit s =>
-        Task(for {
+        UIO(for {
           mbRow <- dbio.selectBook(id).result.headOption
           updatedRow <- mbRow match {
             case Some(value) =>
@@ -36,35 +106,72 @@ class LibraryService(
               println(s"Value to be updated with -> $updateData")
               DBIO.successful(updateData.update(value))
             case None =>
-              DBIO.failed(new Exception(s"Book with id $id does not exist"))
+              DBIO.failed(
+                EntityDoesNotExist(s"Book with id=$id does not exist")
+              )
           }
           updateAction = dbio.selectBook(id).update(updatedRow)
           _ = println(s"SQL = ${updateAction.statements}")
           _ <- updateAction
         } yield ())
-      }
+      )
-      _ <- db.runL(action.transactionally.asTry).flatMap(Task.fromTry)
+      _ <- db
+        .runTryL(action.transactionally.asTry)
+        .mapErrorPartial { case e: Error =>
+          e
+        }
     } yield ()
 
   def deleteBook(id: Int) = db.runL(dbio.deleteBook(id))
 
-  def insertBook(newBook: NewBook) =
+  def insertBook(newBook: NewBook): IO[Error, Book] =
-    Task.deferFutureAction { implicit s =>
+    IO.deferAction { implicit s =>
-      val action = for {
+      for {
-        id <- dbio.insertBookAndGetId(newBook)
+        action <- UIO(for {
-        book <- dbio.getBook(id)
+          _ <- dbio
-      } yield book.get
+            .selectBookByIsbn(newBook.isbn)
-      db.run(action.transactionally)
+            .map(Book.fromBooksTableFn)
+            .result
+            .headOption
+            .flatMap {
+              case None => DBIO.successful(())
+              case Some(_) =>
+                DBIO.failed(
+                  EntityAlreadyExists(
+                    s"Book with isbn=${newBook.isbn} already exists"
+                  )
+                )
+            }
+          _ <- dbio.getAuthor(newBook.authorId).flatMap {
+            case None =>
+              DBIO.failed(
+                EntityDoesNotExist(
+                  s"Author with id=${newBook.authorId} does not exist"
+                )
+              )
+            case Some(_) => DBIO.successful(())
+          }
+          book <- dbio.insertBookAndGetBook(newBook)
+        } yield book)
+        book <- db
+          .runTryL(action.transactionally.asTry)
+          .mapErrorPartial { case e: Error =>
+            e
+          }
+      } yield book
     }
 
   def booksForAuthor(authorId: Int) =
-    db.streamO(dbio.booksForAuthor(authorId)).map(Book.fromBooksRow)
+    db.streamO(dbio.getBooksForAuthor(authorId).transactionally)
+      .map(Book.fromBooksRow)
 
 }
 
 class LibraryDbio(val profile: JdbcProfile) {
   import profile.api._
 
+  /*  */
+
   def getBooks: StreamingDBIO[Seq[Book], Book] = Query.getBooksInner.result
 
   def insertBookAndGetId(newBook: NewBook): DBIO[Int] =
@@ -73,7 +180,13 @@ class LibraryDbio(val profile: JdbcProfile) {
   def insertBookAndGetBook(newBook: NewBook): DBIO[Book] =
     Query.insertBookGetBook += newBook
 
-  def selectBook(id: Int) = Tables.Books.filter(_.id === id)
+  def insertAuthor(newAuthor: NewAuthor): DBIO[Int] =
+    Query.insertAuthorGetId += newAuthor
+
+  def selectBook(id: Int) = Tables.Books.filter(_.bookId === id)
+
+  def getAuthor(id: Int) =
+    Query.selectAuthor(id).map(Author.fromAuthorsTableFn).result.headOption
 
   def deleteBook(id: Int) = selectBook(id).delete
 
@@ -82,22 +195,67 @@ class LibraryDbio(val profile: JdbcProfile) {
     .result
     .headOption
 
-  def booksForAuthor(authorId: Int) = Query.booksForAuthorInner(authorId).result
+  def selectBookByIsbn(isbn: String) = Tables.Books.filter(_.isbn === isbn)
+
+  def getBooksByTitle(title: String) =
+    Tables.Books.filter(_.bookTitle === title).map(Book.fromBooksTableFn).result
+
+  def getBooksForAuthor(authorId: Int) =
+    Query.booksForAuthorInner(authorId).result
 
   private object Query {
 
     val getBooksInner = Book.fromBooksTable
 
     val insertBookGetId =
-      NewBook.fromBooksTable.returning(Tables.Books.map(_.id))
+      NewBook.fromBooksTable.returning(Tables.Books.map(_.bookId))
 
     val insertBookGetBook = NewBook.fromBooksTable.returning(getBooksInner)
 
+    val insertAuthorGetId =
+      Tables.Authors
+        .map(a => (a.authorName).mapTo[NewAuthor])
+        .returning(Tables.Authors.map(_.authorId))
+
+    // val insertAuthor = NewAuthor.fromAuthorsTable
+
     def booksForAuthorInner(authorId: Int) = for {
       b <- Tables.Books
-      a <- selectAuthor(authorId) if b.authorId === a.id
+      a <- Tables.Authors
+      if b.authorId === a.authorId && b.authorId === authorId
     } yield b
 
-    def selectAuthor(authorId: Int) = Tables.Authors.filter(_.id === authorId)
+    def selectAuthor(authorId: Int) =
+      Tables.Authors.filter(_.authorId === authorId)
   }
 }
+
+trait NoopLibraryService extends LibraryService {
+  def getBooks: Observable[Book] =
+    Observable.raiseError(new NotImplementedError)
+
+  def getBookById(id: Int): Task[Option[Book]] =
+    IO.terminate(new NotImplementedError)
+
+  def searchBook(
+      mode: BookSearchMode,
+      value: String
+  ): Observable[Book] = Observable.raiseError(new NotImplementedError)
+
+  def updateBook(
+      id: Int,
+      updateData: BookUpdate
+  ): IO[LibraryService.Error, Unit] = IO.terminate(new NotImplementedError)
+
+  def deleteBook(id: Int): Task[Int] = IO.terminate(new NotImplementedError)
+
+  def insertBook(newBook: NewBook): IO[LibraryService.Error, Book] =
+    IO.terminate(new NotImplementedError)
+
+  def insertAuthor(a: NewAuthor): Task[Int] =
+    IO.terminate(new NotImplementedError)
+
+  def booksForAuthor(authorId: Int): Observable[Book] =
+    Observable.raiseError(new NotImplementedError)
+
+}

src/test/scala/wow/doge/http4sdemo/DatabaseIntegrationTestBase.scala

@@ -0,0 +1,111 @@
+package wow.doge.http4sdemo
+
+import com.dimafeng.testcontainers.ContainerDef
+import com.dimafeng.testcontainers.PostgreSQLContainer
+import com.dimafeng.testcontainers.munit.TestContainerForAll
+import com.typesafe.config.ConfigFactory
+import monix.bio.IO
+import monix.bio.Task
+import monix.bio.UIO
+import monix.execution.Scheduler
+import org.testcontainers.utility.DockerImageName
+import slick.jdbc.JdbcBackend
+import slick.jdbc.PostgresProfile
+
+trait DatabaseIntegrationTestBase
+    extends MonixBioSuite
+    with TestContainerForAll {
+  def databaseName = "testcontainer-scala"
+  def username = "scala"
+  def password = "scala"
+
+  override val containerDef: ContainerDef = PostgreSQLContainer.Def(
+    dockerImageName = DockerImageName.parse("postgres:13.2"),
+    databaseName = databaseName,
+    username = username,
+    password = password
+  )
+
+  lazy val profile = PostgresProfile
+
+  def config(url: String) = ConfigFactory.parseString(s"""|
+                               |testDatabase = {
+                               |    url = "$url"
+                               |    driver = org.postgresql.Driver
+                               |    user = $username
+                               |    password = $password
+                               |
+                               |    numThreads = 2
+                               |
+                               |    queueSize = 10
+                               |
+                               |    maxThreads = 2
+                               |
+                               |    maxConnections = 2
+                               |
+                                }""".stripMargin)
+
+  def withDb[T](url: String)(f: JdbcBackend.DatabaseDef => Task[T]) = Task(
+    // JdbcBackend.Database.forURL(
+    //   url,
+    //   //   user = username,
+    //   //   password = password,
+    //   //   driver = "org.postgresql.Driver",
+    //   prop = Map(
+    //     "driver" -> "org.postgresql.Driver",
+    //     "user" -> username,
+    //     "password" -> password,
+    //     "numThreads" -> "16",
+    //     "maxThreads" -> "36",
+    //     "queueSize" -> "10",
+    //     "maxConnections" -> "36"
+    //   )
+    // )
+    JdbcBackend.Database.forConfig("testDatabase", config(url))
+  ).bracket(f)(db => UIO(db.close()))
+
+  def createSchema(containers: Containers) = {
+    implicit val s = Scheduler.global
+    containers match {
+      case container: PostgreSQLContainer =>
+        val config = JdbcDatabaseConfig(
+          container.jdbcUrl,
+          "org.postgresql.Driver",
+          Some(username),
+          Some(password),
+          "flyway_schema_history",
+          List("classpath:db/migration/default")
+        )
+        // (UIO(println("creating db")) >> dbBracket(container.jdbcUrl)(
+        //   // _.runL(Tables.schema.create)
+        //   _ => DBMigrations.migrate[Task](config)
+        // ))
+        DBMigrations.migrate[Task](config).runSyncUnsafe(munitTimeout)
+      case _ => ()
+    }
+  }
+
+  // val fixture = ResourceFixture(
+  //   Resource.make(
+  //     Task(
+  //       JdbcBackend.Database.forURL(
+  //         "jdbc:postgresql://localhost:49162/testcontainer-scala?",
+  //         user = username,
+  //         password = password,
+  //         driver = "org.postgresql.Driver"
+  //       )
+  //     )
+  //   )(db => Task(db.close()))
+  // )
+
+  def withContainersIO[A](pf: PartialFunction[Containers, Task[A]]): Task[A] = {
+    withContainers { containers =>
+      pf.applyOrElse(
+        containers,
+        (c: Containers) =>
+          IO.terminate(new Exception(s"Unknown container: ${c.toString}"))
+      )
+    }
+  }
+
+}

src/test/scala/wow/doge/http4sdemo/HelloWorldSpec.scala

@@ -1,25 +0,0 @@
-package wow.doge.http4sdemo
-
-import cats.effect.IO
-import org.http4s._
-import org.http4s.implicits._
-import munit.CatsEffectSuite
-class HelloWorldSpec extends CatsEffectSuite {
-
-  // test("HelloWorld returns status code 200") {
-  //   assertIO(retHelloWorld.map(_.status), Status.Ok)
-  // }
-
-  // test("HelloWorld returns hello world message") {
-  //   assertIO(
-  //     retHelloWorld.flatMap(_.as[String]),
-  //     "{\"message\":\"Hello, world\"}"
-  //   )
-  // }
-
-  // private[this] val retHelloWorld: IO[Response[IO]] = {
-  //   val getHW = Request[IO](Method.GET, uri"/hello/world")
-  //   val helloWorld = HelloWorld.impl[IO]
-  //   Http4sdemoRoutes.helloWorldRoutes(helloWorld).orNotFound(getHW)
-  // }
-}

src/test/scala/wow/doge/http4sdemo/LibraryControllerSpec.scala

@@ -0,0 +1,166 @@
+package wow.doge.http4sdemo
+
+import java.time.LocalDateTime
+
+import cats.syntax.all._
+import monix.bio.IO
+import monix.bio.Task
+import monix.bio.UIO
+import monix.reactive.Observable
+import org.http4s.Method
+import org.http4s.Request
+import org.http4s.Uri
+import org.http4s.implicits._
+import wow.doge.http4sdemo.dto.Book
+import wow.doge.http4sdemo.dto.BookSearchMode
+import wow.doge.http4sdemo.dto.BookUpdate
+import wow.doge.http4sdemo.services.LibraryService
+import wow.doge.http4sdemo.services.NoopLibraryService
+
+class LibraryControllerSpec extends MonixBioSuite {
+
+  // "libraryControllerSpec"
+  // val fixture = loggerFixture()
+  // ResourceFixture
+
+  // override def munitFixtures = List(myFixture)
+  // override def munitFixtures: Seq[Fixture[_]] = ???
+
+  val date = LocalDateTime.now()
+
+
+  // val logger = consoleLogger[Task]()
+
+  val Root = Uri(path = "")
+
+  test("get books success") { 
+    import org.http4s.circe.CirceEntityCodec._
+    val book = Book(1, "book1", "adsgq342dsdc", 1, date)
+    val service = new NoopLibraryService {
+
+      override def getBooks: Observable[Book] =
+        Observable.fromIterable(book :: Nil)
+
+      override def getBookById(id: Int): Task[Option[Book]] =
+        Task.some(book)
+
+    }
+    for {
+      _ <- UIO.unit
+      routes = Http4sdemoRoutes.libraryRoutes(service)
+      res <- routes
+        .run(Request[Task](Method.GET, uri"/api/get/books"))
+        .value
+        .hideErrors
+      body <- res.map(_.as[List[Book]]).sequence
+      _ <- UIO(assertEquals(body, Some(List(book))))
+      // _ <- logger2.debug(body.toString).hideErrors
+    } yield ()
+  }
+
+  test("update book error") {
+    import org.http4s.circe.CirceEntityCodec._
+    val service = new NoopLibraryService {
+      override def updateBook(id: Int, updateData: BookUpdate) =
+        IO.raiseError(
+          LibraryService.EntityDoesNotExist(s"Book with id=$id does not exist")
+        )
+    }
+
+    for {
+      _ <- UIO.unit
+      reqBody = BookUpdate(Some("blah"), None)
+      routes = Http4sdemoRoutes.libraryRoutes(service)
+      res <- routes
+        .run(
+          Request[Task](Method.PATCH, Root / "api" / "update" / "book" / "1")
+            .withEntity(reqBody)
+        )
+        .value
+        .hideErrors
+      body <- res.map(_.as[LibraryService.Error]).sequence
+      _ <- UIO(
+        assertEquals(
+          body,
+          Some(
+            LibraryService.EntityDoesNotExist("Book with id=1 does not exist")
+          )
+        )
+      )
+      // _ <- logger.debug(res.toString).hideErrors
+      // _ <- logger.debug(body.toString).hideErrors
+    } yield ()
+  }
+
+  test("get books by author name") {
+    import org.http4s.circe.CirceEntityCodec._
+    val value = "blah"
+    val books =
+      List(Book(1, "book1", value, 1, date), Book(2, "book1", value, 1, date))
+    val service = new NoopLibraryService {
+      override def searchBook(mode: BookSearchMode, value: String) =
+        mode match {
+          case BookSearchMode.BookTitle =>
+            Observable.fromIterable(books)
+          case BookSearchMode.AuthorName =>
+            Observable.fromIterable(books)
+        }
+    }
+    for {
+      _ <- UIO.unit
+      // logger2 = logger.withConstContext(
+      //   Map("Test" -> "get books by author name")
+      // )
+      routes = Http4sdemoRoutes.libraryRoutes(service)
+      request = Request[Task](
+        Method.GET,
+        Root / "api" / "get" / "book"
+          withQueryParams Map(
+            "mode" -> BookSearchMode.AuthorName.entryName,
+            "value" -> "blah"
+          )
+      )
+      // _ <- logger2.info(s"Request -> $request")
+      res <- routes.run(request).value.hideErrors
+      body <- res.map(_.as[List[Book]]).sequence
+      _ <- UIO.pure(body).assertEquals(Some(books))
+      // _ <- logger2.debug(s"Response body -> $body").hideErrors
+    } yield ()
+  }
+
+  test("get books by book title") {
+    import org.http4s.circe.CirceEntityCodec._
+    val value = "blah"
+    val books =
+      List(Book(1, "book1", value, 1, date), Book(2, "book1", value, 1, date))
+    val service = new NoopLibraryService {
+      override def searchBook(mode: BookSearchMode, value: String) =
+        mode match {
+          case BookSearchMode.BookTitle =>
+            Observable.fromIterable(books)
+          case BookSearchMode.AuthorName =>
+            Observable.fromIterable(books)
+        }
+    }
+    for {
+      _ <- UIO.unit
+      // logger2 = logger.withConstContext(
+      //   Map("Test" -> "get books by book title")
+      // )
+      routes = Http4sdemoRoutes.libraryRoutes(service)
+      request = Request[Task](
+        Method.GET,
+        Root / "api" / "get" / "book"
+          withQueryParams Map(
+            "mode" -> BookSearchMode.BookTitle.entryName,
+            "value" -> "blah"
+          )
+      )
+      // _ <- logger2.info(s"Request -> $request")
+      res <- routes.run(request).value.hideErrors
+      body <- res.map(_.as[List[Book]]).sequence
+      _ <- UIO.pure(body).assertEquals(Some(books))
+      // _ <- logger2.debug(s"Response body -> $body").hideErrors
+    } yield ()
+  }
+}

src/test/scala/wow/doge/http4sdemo/LibraryServiceSpec.scala

@@ -0,0 +1,123 @@
+package wow.doge.http4sdemo
+
+import cats.syntax.all._
+import com.dimafeng.testcontainers.PostgreSQLContainer
+import monix.bio.UIO
+import wow.doge.http4sdemo.dto.BookSearchMode
+import wow.doge.http4sdemo.dto.NewAuthor
+import wow.doge.http4sdemo.dto.NewBook
+import wow.doge.http4sdemo.implicits._
+import wow.doge.http4sdemo.services.LibraryDbio
+import wow.doge.http4sdemo.services.LibraryService
+import wow.doge.http4sdemo.services.LibraryServiceImpl
+
+class LibraryServiceSpec extends DatabaseIntegrationTestBase {
+
+  override def afterContainersStart(containers: Containers): Unit = {
+    super.afterContainersStart(containers)
+    createSchema(containers)
+  }
+
+  test("insert and retrieve book") {
+    withContainersIO { case container: PostgreSQLContainer =>
+      val io =
+        withDb(container.jdbcUrl)(db =>
+          for {
+            _ <- UIO.unit
+            service: LibraryService = new LibraryServiceImpl(
+              profile,
+              new LibraryDbio(profile),
+              db
+            )
+            id <- service.insertAuthor(NewAuthor("author1"))
+            book <- service.insertBook(NewBook("blah", "Segehwe", id))
+            _ <- service
+              .getBookById(book.bookId)
+              .flatTap(r => UIO(println(r)))
+              .assertEquals(Some(book))
+          } yield ()
+        )
+      io
+    }
+  }
+
+  test("author does not exist error on book insertion") {
+    withContainersIO { case container: PostgreSQLContainer =>
+      val io =
+        withDb(container.jdbcUrl)(db =>
+          for {
+            _ <- UIO.unit
+            service: LibraryService = new LibraryServiceImpl(
+              profile,
+              new LibraryDbio(profile),
+              db
+            )
+            _ <- service
+              .insertBook(NewBook("blah2", "agege", 23))
+              .attempt
+              .assertEquals(
+                Left(
+                  LibraryService
+                    .EntityDoesNotExist("Author with id=23 does not exist")
+                )
+              )
+          } yield ()
+        )
+      io
+    }
+  }
+
+  test("books with isbn already exists error on book insertion") {
+    withContainersIO { case container: PostgreSQLContainer =>
+      val io =
+        withDb(container.jdbcUrl)(db =>
+          for {
+            _ <- UIO.unit
+            service: LibraryService = new LibraryServiceImpl(
+              profile,
+              new LibraryDbio(profile),
+              db
+            )
+            _ <- service.insertBook(NewBook("blah2", "agege", 1))
+            _ <- service
+              .insertBook(NewBook("blah3", "agege", 1))
+              .attempt
+              .assertEquals(
+                Left(
+                  LibraryService
+                    .EntityAlreadyExists("Book with isbn=agege already exists")
+                )
+              )
+          } yield ()
+        )
+      io
+    }
+  }
+
+  test("search books by author id") {
+    withContainersIO { case container: PostgreSQLContainer =>
+      val io =
+        withDb(container.jdbcUrl)(db =>
+          for {
+            _ <- UIO.unit
+            service: LibraryService = new LibraryServiceImpl(
+              profile,
+              new LibraryDbio(profile),
+              db
+            )
+            id <- service.insertAuthor(NewAuthor("bar"))
+            book1 <- service.insertBook(NewBook("blah3", "aeaega", id))
+            book2 <- service.insertBook(NewBook("blah4", "afgegg", id))
+            _ <- service
+              .searchBook(BookSearchMode.AuthorName, id.toString)
+              .toListL
+              .toIO
+              .attempt
+              .assertEquals(Right(List(book1, book2)))
+          } yield ()
+        )
+      io
+    }
+  }
+
+}

src/test/scala/wow/doge/http4sdemo/LibrarySpec2.scala

@@ -0,0 +1,51 @@
+package wow.doge.http4sdemo
+
+import com.dimafeng.testcontainers.PostgreSQLContainer
+import monix.bio.IO
+import monix.bio.UIO
+import wow.doge.http4sdemo.services.LibraryDbio
+import wow.doge.http4sdemo.services.LibraryServiceImpl
+
+class LibrarySpec2 extends DatabaseIntegrationTestBase {
+
+  override def afterContainersStart(containers: Containers): Unit = {
+    createSchema(containers)
+  }
+
+  test("blah") {
+    withContainers {
+      case postgresContainer: PostgreSQLContainer =>
+        val io =
+          withDb(postgresContainer.jdbcUrl)(db =>
+            for {
+              // _ <- db.runL(Tables.schema.create)
+              _ <- UIO.unit
+              service = new LibraryServiceImpl(
+                profile,
+                new LibraryDbio(profile),
+                db
+              )
+              _ <- service
+                .getBookById(1)
+                .hideErrors
+                .flatMap(r => UIO(println(r)))
+            } yield ()
+          )
+        io
+      case other =>
+        IO.terminate(new Exception(s"Invalid container ${other.toString}"))
+    }
+  }
+
+//   override val container: PostgreSQLContainer = PostgreSQLContainer()
+
+//   "PostgreSQL container" should "be started" in {
+//     Class.forName(container.driverClassName)
+//     val connection = DriverManager.getConnection(
+//       container.jdbcUrl,
+//       container.username,
+//       container.password
+//     )
+//     //   ...
+//   }
+}

src/test/scala/wow/doge/http4sdemo/LoggerFixtureSpec.scala

@@ -0,0 +1,12 @@
+package wow.doge.http4sdemo
+
+// import sourcecode.File
+
+class LoggerFixtureSpec extends MonixBioSuite {
+  // "LoggerFixtureSpec"
+  val fixture = loggerFixture()
+
+  loggerFixture().test("blah blah") { logger =>
+    logger.debug("blah blah blah")
+  }
+}

src/test/scala/wow/doge/http4sdemo/MonixBioSuite.scala

@@ -0,0 +1,35 @@
+package wow.doge.http4sdemo
+
+import cats.syntax.all._
+import io.odin.consoleLogger
+import io.odin.fileLogger
+import io.odin.syntax._
+import monix.bio.Task
+import monix.execution.Scheduler
+
+import scala.concurrent.Future
+import munit.TestOptions
+import cats.effect.Resource
+import io.odin.Logger
+
+trait MonixBioSuite extends munit.TaglessFinalSuite[Task] {
+  override protected def toFuture[A](f: Task[A]): Future[A] = {
+    implicit val s = Scheduler.global
+    f.runToFuture
+  }
+
+  def loggerFixture(fileName: Option[String] = None)(implicit
+      enc: sourcecode.Enclosing
+  ) =
+    ResourceFixture(
+      consoleLogger[Task]().withAsync() |+| fileLogger[Task](
+        fileName.getOrElse(enc.value.split("#").head + ".log")
+      ),
+      (
+          options: TestOptions,
+          value: Logger[Task]
+      ) => Task(options.name),
+      (_: Logger[Task]) => Task.unit
+    )
+
+}

wait-for-it.sh

@@ -0,0 +1,182 @@
+#!/usr/bin/env bash
+# Use this script to test if a given TCP host/port are available
+
+WAITFORIT_cmdname=${0##*/}
+
+echoerr() { if [[ $WAITFORIT_QUIET -ne 1 ]]; then echo "$@" 1>&2; fi }
+
+usage()
+{
+    cat << USAGE >&2
+Usage:
+    $WAITFORIT_cmdname host:port [-s] [-t timeout] [-- command args]
+    -h HOST | --host=HOST       Host or IP under test
+    -p PORT | --port=PORT       TCP port under test
+                                Alternatively, you specify the host and port as host:port
+    -s | --strict               Only execute subcommand if the test succeeds
+    -q | --quiet                Don't output any status messages
+    -t TIMEOUT | --timeout=TIMEOUT
+                                Timeout in seconds, zero for no timeout
+    -- COMMAND ARGS             Execute command with args after the test finishes
+USAGE
+    exit 1
+}
+
+wait_for()
+{
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    else
+        echoerr "$WAITFORIT_cmdname: waiting for $WAITFORIT_HOST:$WAITFORIT_PORT without a timeout"
+    fi
+    WAITFORIT_start_ts=$(date +%s)
+    while :
+    do
+        if [[ $WAITFORIT_ISBUSY -eq 1 ]]; then
+            nc -z $WAITFORIT_HOST $WAITFORIT_PORT
+            WAITFORIT_result=$?
+        else
+            (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1
+            WAITFORIT_result=$?
+        fi
+        if [[ $WAITFORIT_result -eq 0 ]]; then
+            WAITFORIT_end_ts=$(date +%s)
+            echoerr "$WAITFORIT_cmdname: $WAITFORIT_HOST:$WAITFORIT_PORT is available after $((WAITFORIT_end_ts - WAITFORIT_start_ts)) seconds"
+            break
+        fi
+        sleep 1
+    done
+    return $WAITFORIT_result
+}
+
+wait_for_wrapper()
+{
+    # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692
+    if [[ $WAITFORIT_QUIET -eq 1 ]]; then
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --quiet --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    else
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    fi
+    WAITFORIT_PID=$!
+    trap "kill -INT -$WAITFORIT_PID" INT
+    wait $WAITFORIT_PID
+    WAITFORIT_RESULT=$?
+    if [[ $WAITFORIT_RESULT -ne 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: timeout occurred after waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    fi
+    return $WAITFORIT_RESULT
+}
+
+# process arguments
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        *:* )
+        WAITFORIT_hostport=(${1//:/ })
+        WAITFORIT_HOST=${WAITFORIT_hostport[0]}
+        WAITFORIT_PORT=${WAITFORIT_hostport[1]}
+        shift 1
+        ;;
+        --child)
+        WAITFORIT_CHILD=1
+        shift 1
+        ;;
+        -q | --quiet)
+        WAITFORIT_QUIET=1
+        shift 1
+        ;;
+        -s | --strict)
+        WAITFORIT_STRICT=1
+        shift 1
+        ;;
+        -h)
+        WAITFORIT_HOST="$2"
+        if [[ $WAITFORIT_HOST == "" ]]; then break; fi
+        shift 2
+        ;;
+        --host=*)
+        WAITFORIT_HOST="${1#*=}"
+        shift 1
+        ;;
+        -p)
+        WAITFORIT_PORT="$2"
+        if [[ $WAITFORIT_PORT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --port=*)
+        WAITFORIT_PORT="${1#*=}"
+        shift 1
+        ;;
+        -t)
+        WAITFORIT_TIMEOUT="$2"
+        if [[ $WAITFORIT_TIMEOUT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --timeout=*)
+        WAITFORIT_TIMEOUT="${1#*=}"
+        shift 1
+        ;;
+        --)
+        shift
+        WAITFORIT_CLI=("$@")
+        break
+        ;;
+        --help)
+        usage
+        ;;
+        *)
+        echoerr "Unknown argument: $1"
+        usage
+        ;;
+    esac
+done
+
+if [[ "$WAITFORIT_HOST" == "" || "$WAITFORIT_PORT" == "" ]]; then
+    echoerr "Error: you need to provide a host and port to test."
+    usage
+fi
+
+WAITFORIT_TIMEOUT=${WAITFORIT_TIMEOUT:-15}
+WAITFORIT_STRICT=${WAITFORIT_STRICT:-0}
+WAITFORIT_CHILD=${WAITFORIT_CHILD:-0}
+WAITFORIT_QUIET=${WAITFORIT_QUIET:-0}
+
+# Check to see if timeout is from busybox?
+WAITFORIT_TIMEOUT_PATH=$(type -p timeout)
+WAITFORIT_TIMEOUT_PATH=$(realpath $WAITFORIT_TIMEOUT_PATH 2>/dev/null || readlink -f $WAITFORIT_TIMEOUT_PATH)
+
+WAITFORIT_BUSYTIMEFLAG=""
+if [[ $WAITFORIT_TIMEOUT_PATH =~ "busybox" ]]; then
+    WAITFORIT_ISBUSY=1
+    # Check if busybox timeout uses -t flag
+    # (recent Alpine versions don't support -t anymore)
+    if timeout &>/dev/stdout | grep -q -e '-t '; then
+        WAITFORIT_BUSYTIMEFLAG="-t"
+    fi
+else
+    WAITFORIT_ISBUSY=0
+fi
+
+if [[ $WAITFORIT_CHILD -gt 0 ]]; then
+    wait_for
+    WAITFORIT_RESULT=$?
+    exit $WAITFORIT_RESULT
+else
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        wait_for_wrapper
+        WAITFORIT_RESULT=$?
+    else
+        wait_for
+        WAITFORIT_RESULT=$?
+    fi
+fi
+
+if [[ $WAITFORIT_CLI != "" ]]; then
+    if [[ $WAITFORIT_RESULT -ne 0 && $WAITFORIT_STRICT -eq 1 ]]; then
+        echoerr "$WAITFORIT_cmdname: strict mode, refusing to execute subprocess"
+        exit $WAITFORIT_RESULT
+    fi
+    exec "${WAITFORIT_CLI[@]}"
+else
+    exit $WAITFORIT_RESULT
+fi