codapi/configs/boxes.json

{
    "alpine": {
        "image": "codapi/alpine"
    },
    "go": {
        "image": "codapi/go",
        "runtime": "runc",
        "cpu": 2,
        "memory": 512,
        "network": "none",
        "writable": true,
        "volume": "%s:/sandbox:rw",
        "cap_drop": ["all"],
        "ulimit": ["nofile=96"],
        "nproc": 64
    }
}