version: "3" services: mgbuild_centos-7: build: context: centos-7 container_name: "mgbuild_centos-7" mgbuild_centos-8: build: context: centos-8 container_name: "mgbuild_centos-8" mgbuild_debian-9: build: context: debian-9 container_name: "mgbuild_debian-9" mgbuild_debian-10: build: context: debian-10 container_name: "mgbuild_debian-10" mgbuild_ubuntu-18.04: build: context: ubuntu-18.04 container_name: "mgbuild_ubuntu-18.04" mgbuild_ubuntu-20.04: build: context: ubuntu-20.04 container_name: "mgbuild_ubuntu-20.04"