variants: !mux
    stretch-amd64:
        distro: "stretch"
        arch:   "amd64"
    stretch-i386:
        distro: "stretch"
        arch:   "i386"
    stretch-arm:
        distro: "stretch"
        arch:   "arm"
    stretch-arm64:
        distro: "stretch"
        arch:   "arm64"
    buster-amd64:
        distro: "buster"
        arch:   "amd64"
    buster-i386:
        distro: "buster"
        arch:   "i386"
    buster-arm:
        distro: "buster"
        arch:   "arm"
