seitime-frappe/frappe/docs/user/en/bench/resources/background-services.md

Background Services

External services

* MariaDB (Datastore for frappe)
* Redis (Queue for frappe background workers and caching)
* nginx (for production deployment)
* supervisor (for production deployment)

Frappé Processes

• WSGI Server

  • The WSGI server is responsible for responding to the HTTP requests to frappe. In development scenario (bench serve or bench start), the Werkzeug WSGI server is used and in production, gunicorn (automatically configured in supervisor) is used.

• Redis Worker Processes

  • The Celery worker processes execute background jobs in the Frappé system. These processes are automatically started when bench start is run and for production are configured in supervisor configuration.

• Scheduler Process

  • The Scheduler process schedules enqeueing of scheduled jobs in the Frappé system. This process is automatically started when bench start is run and for production are configured in supervisor configuration.