gentoo-java/pushtime: gentoo-java/gentoo-java.tar.gz gentoo-glibc/pushtime gentoo-zlib/pushtime gentoo-gcc/pushtime
    cd gentoo-java; docker build -t dockerrepo.matrix.dev:gentoo-java:latest-amd64 . && touch buildtime && docker push dockerrepo.matrix.dev/gentoo-java:latest-amd64 && touch pushtime