Continuous Delivery with Docker and Jenkins

Configuring Flyway

In order to use Flyway together with Gradle, we need to add the following content to the build.gradle file:

buildscript {   dependencies {       classpath('com.h2database:h2:1.4.191')    }}…plugins {   id "org.flywaydb.flyway" version "4.2.0"}…flyway {   url = 'jdbc:h2:file:/tmp/calculator'   user = 'sa'}

Here's a quick comment on the configuration:

• We used the H2 database, which is an in-memory (and file-based) database
• We store the database in the /tmp/calculator file
• The default database user is called sa (system administrator)

In the case of other SQL databases (for example, MySQL), the configuration would be very similar. The only difference is in the Gradle dependencies and the JDBC connection.

After this configuration is applied, ...