cards/deploy/config/cards.json.example

{
    "server": {
        "address": "0.0.0.0",
        "port": 8080,
        "threads": 4
    },
    "database": {
        "host": "localhost",
        "port": 5432,
        "dbname": "cards",
        "user": "cards",
        "password": ""
    }
}