The master branch is automatically built and deployed to https://hub.docker.com/u/jmonkeyengine
If you want to build the images locally for test and development, you will need a bash environment (eg any linux distribution with bash, macos, git|cywin|win bash on windows or windows 10 wsl) and docker.
Build and run
$ buildEnv="base" # linuxArm, android
$ bash make.sh build buildenv-jme3 $buildEnv
$ docker run --rm -it buildenv-jme3:$buildEnv bash
Build and deploy to a docker registry
$ buildEnv="base" # linuxArm, android
$ bash make.sh build buildenv-jme3 $buildEnv NAMESPACE
$ build make.sh deploy buildenv-jme3 $buildEnv NAMESPACE REGISTRY_USER REGISTRY_PASSWORD REGISTRY_URL