{
    "db_host": "${DB_HOST}",
    "db_port": ${DB_PORT},
    "redis_cache": "redis://${REDIS_CACHE}",
    "redis_queue": "redis://${REDIS_QUEUE}",
    "redis_socketio": "redis://${REDIS_SOCKETIO}",
    "socketio_port": ${SOCKETIO_PORT}
}