fixed gitiignore config dir issue

chatto/.gitignore

@@ -32,7 +32,7 @@ build/
 ../vscode/
 
 node_modules
-config/
+/config/
 bundle.js
 bundle.min.js
 src/main/javascript/node/

chatto/src/main/java/org/ros/chatto/config/DataSourceConfig.java

@@ -0,0 +1,47 @@
+package org.ros.chatto.config;
+
+import javax.sql.DataSource;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.jdbc.DataSourceBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.stereotype.Component;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
+
+@Configuration
+@Component
+
+// @ConfigurationProperties(prefix = "chatto.datasource")
+@Getter
+@Setter
+@Slf4j
+public class DataSourceConfig {
+
+    // jdbc:mysql://localhost:3306/chatto_db?useSSL=false
+    private final String DATASOURCE_URL = "jdbc:mysql://localhost:3306/%s?useSSL=false";
+
+    private final String username;
+    private final String password;
+    private final String databaseName;
+
+    public DataSourceConfig(@Value("${chatto.datasource.username}") String username,
+            @Value("${chatto.datasource.password}") String password,
+            @Value("${chatto.datasource.database-name}") String databaseName) {
+        this.username = username;
+        this.password = password;
+        this.databaseName = databaseName;
+    }
+
+    @Bean
+    public DataSource getDataSource() {
+        final DataSourceBuilder<?> dataSourceBuilder = DataSourceBuilder.create();
+        dataSourceBuilder.url(String.format(DATASOURCE_URL, databaseName));
+        dataSourceBuilder.username(username);
+        dataSourceBuilder.password(password);
+        return dataSourceBuilder.build();
+    }
+}