Continuous Delivery with Docker and Jenkins

Accessing database

We executed our first migration, so the database is prepared. To see the complete example, we should also adapt our project so that it would access the database.

Let's first configure the Gradle dependencies to use the H2 database from the Spring Boot project. We can do this by adding the following lines to the build.gradle file:

dependencies {   compile("org.springframework.boot:spring-boot-starter-data-jpa")   compile("com.h2database:h2")}

The next step is to set up the database location and the startup behavior in the src/main/resources/application.properties file:

spring.datasource.url=jdbc:h2:file:/tmp/calculator;DB_CLOSE_ON_EXIT=FALSEspring.jpa.hibernate.ddl-auto=validate

The second line means that Spring Boot will not ...