{
    "pool_size": 8,
    "verbose": true,
    "box": {
        "runtime": "runc",
        "cpu": 1,
        "memory": 64,
        "network": "none",
        "writable": false,
        "volume": "%s:/sandbox:ro",
        "cap_drop": ["all"],
        "ulimit": ["nofile=96"],
        "nproc": 64
    },
    "step": {
        "user": "sandbox",
        "action": "run",
        "timeout": 5,
        "noutput": 4096
    }
}