magneticio/java repository overview

Until the official Java images use Alpine 3.5 we provide our own fork.

For more details see:

• https://github.com/magneticio/vamp-docker-images/commit/46dc309bdad4b72e06da0295ec84bf0c57cb562e⁠
• https://github.com/docker-library/openjdk/blob/9a0822673dffd3e5ba66f18a8547aa60faed6d08/8-jre/alpine/Dockerfile⁠