Description
The old dockerfile/java:openjdk-7-jdk repository is no longer working (see https://forums.docker.com/t/dockerfile-java-oracle-java7-repo-not-found-issue/1472), so it needs updating.
The old dockerfile/java:openjdk-7-jdk repository is no longer working (see https://forums.docker.com/t/dockerfile-java-oracle-java7-repo-not-found-issue/1472), so it needs updating.