a very simple rest-api-hello-world java application with Spring Boot and Maven, containerized with dockerfile, ready to build and deployed with a very simple way.
docker build -t hello-world-java-docker .
docker run -it hello-world-java-docker
https://edwin.baculsoft.com/2020/07/building-containerized-images-on-openshift-4-and-push-the-result-to-third-party-image-registry/