Create Docker image for CI
We're using F-Droid's docker image for the GitLab CI runners, but it doesn't have everything we need, such as the Java 6 standard library for compiling the Java modules. Create a custom image with everything we need.
We're using F-Droid's docker image for the GitLab CI runners, but it doesn't have everything we need, such as the Java 6 standard library for compiling the Java modules. Create a custom image with everything we need.