NodeBB/install/docker/setup.json

{
    "defaults": {
        "mongo": {
            "host": "mongo",
            "port": 27017,
            "database": "nodebb",
            "username": "nodebb",
            "password": "nodebb"
        },
        "redis": {
            "host": "redis",
            "port": 6379,
            "database": 0
        },
        "postgres": {
            "host": "postgres",
            "port": 5432,
            "database": "nodebb",
            "username": "nodebb",
            "password": "nodebb"
        }
    }
}