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frappe_docker/docs/single-compose-setup.md
Revant Nandgaonkar e6088af885
refactor: build only one frappe/erpnext image (#1032)
* ci: skip frappe builds

* refactor: build only one frappe/erpnext image

* fix: lint nginx entrypoint script

* docs: update and organize docs

* docs: fix lint errors

* fix(custom): pass base64 encoded apps json

* ci: update dependabot

* docs: update contributing

* docs: remove info about multi image setup

* fix: initiate empty common_site_config.json

default config has host keys set to localhost
causes connection errors

* docs: add details for pwd volumes

* fix: symlink assets instead of copy

* fix: nginx private files

* ci: skip docker compose v2 install for ubuntu-latest

* fix: organize layers

* feat: allow remove git remote for custom image

* docs: allow remove git remote for custom image

* fix: remove duplicate --apps_path
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Markdown

# Single Compose Setup
This setup is a very simple single compose file that does everything to start required services and a frappe-bench. It is used to start play with docker instance with a site. The file is located in the root of repo and named `pwd.yml`.
## Services
### frappe-bench components
- backend, serves gunicorn backend
- frontend, serves static assets through nginx frontend reverse proxies websocket and gunicorn.
- queue-default, default rq worker.
- queue-long, long rq worker.
- queue-short, short rq worker.
- schedule, event scheduler.
- websocket, socketio websocket for realtime communication.
### Run once configuration
- configurator, configures `common_site_config.json` to set db and redis hosts.
- create-site, creates one site to serve as default site for the frappe-bench.
### Service dependencies
- db, mariadb, container with frappe specific configuration.
- redis-cache, redis for cache data.
- redis-queue, redis for rq data.
- redis-socketio, redis for socketio pubsub.
## Volumes
- sites: Volume for bench data. Common config, all sites, all site configs and site files will be stored here.
- logs: Volume for bench logs. all process logs are dumped here. No need to mount it. Each container will create a temporary volume for logs if not specified.
## Adaptation
If you understand containers use the `pwd.yml` as a reference to build more complex setup like, single server example, Docker Swarm stack, Kubernetes Helm chart, etc.
This serves only site called `frontend` through the nginx. `FRAPPE_SITE_NAME_HEADER` is set to `frontend` and a default site called `frontend` is created.
Change the `$$host` will allow container to accept any host header and serve that site. To escape `$` in compose yaml use it like `$$`. To unset default site remove `currentsite.txt` file from `sites` directory.