Changes to allow DB configuration and scaling

src/main/java/uk/gov/ons/ctp/response/sample/SampleSvcApplication.java

@@ -1,6 +1,7 @@
 package uk.gov.ons.ctp.response.sample;
 
 import net.sourceforge.cobertura.CoverageIgnore;
+
 import org.redisson.Redisson;
 import org.redisson.api.RedissonClient;
 import org.redisson.config.Config;

src/main/java/uk/gov/ons/ctp/response/sample/config/DataSourceConfiguration.java

@@ -0,0 +1,34 @@
+package uk.gov.ons.ctp.response.sample.config;
+
+import javax.sql.DataSource;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.cloud.Cloud;
+import org.springframework.cloud.CloudFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+
+import net.sourceforge.cobertura.CoverageIgnore;
+
+/**
+ * DataSource bean
+ *
+ */
+@CoverageIgnore
+@Configuration
+@Profile("cloud")
+public class DataSourceConfiguration {
+
+    @Bean
+    public Cloud cloud() {
+        return new CloudFactory().getCloud();
+    }
+
+    @Bean
+    @ConfigurationProperties(prefix="spring.datasource.tomcat")
+    public DataSource dataSource() {
+        return cloud().getSingletonServiceConnector(DataSource.class, null);
+    }
+
+}

src/main/resources/application-cloud.yml

@@ -56,6 +56,10 @@ spring:
       min-idle: 3
     continue-on-error: true
     schema: classpath:/schema-cloud.sql
+    user: ${cloud.services.postgresql.connection.username}
+    password: ${cloud.services.postgresql.connection.password}
+    default-schema: sample
+    url: ${cloud.services.postgresql.connection.jdbcurl}
 
   jpa:
     database-platform: org.hibernate.dialect.PostgreSQLDialect