loki/cmd/docker-driver/config.json

{
    "description": "Loki Logging Driver",
    "documentation": "https://github.com/grafana/loki",
    "entrypoint": ["/bin/docker-driver"],
    "network": {
        "type": "host"
    },
    "interface": {
        "types": ["docker.logdriver/1.0"],
        "socket": "loki.sock"
    },
    "env": [
        {
            "name": "LOG_LEVEL",
            "description": "Set log level to output for plugin logs",
            "value": "info",
            "settable": ["value"]
        }
    ],
    "mounts": [
        {
            "name": "data",
            "description": "Optional external pipeline files",
            "source": "",
            "destination": "/data",
            "type": "none",
            "options": ["bind", "ro"],
            "settable": ["source", "destination"]
        }
    ]
}