defaults = {
    "containers": {
        "calibre": {
            "version": "4.0.6",
        },
    },
    # "backup": {
    #     "/var/lib/calibre": {},
    # },
    # "metrics": {
    #     "calibre": {},
    # },
    # "go": {
    #     "calibre": "https://calibre.gzr.im",
    # },
}