IronFunctions daemon Refer to detailed documentation at https://github.com/iron-io/functions/tree/master/docs Environment Variables: DB_URL The database URL to use in URL format. See [Databases](databases/README.md) for more information. Default: BoltDB in current working directory `bolt.db`. MQ_URL The message queue to use in URL format. See [Message Queues](mqs/README.md) for more information. Default: BoltDB in current working directory `queue.db`. API_URL The primary IronFunctions API URL to that this instance will talk to. In a production environment, this would be your load balancer URL. PORT Sets the port to run on. Default: `8080`. NUM_ASYNC The number of async runners in the functions process (default 1). LOG_LEVEL Set to `DEBUG` to enable debugging. Default: INFO.