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frappe_docker/docs/environment-variables.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
2023-01-16 04:20:09 +05:30

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Environment Variables

All of the commands are directly passed to container as per type of service. Only environment variables used in image are for nginx-entrypoint.sh command. They are as follows:

  • BACKEND: Set to {host}:{port}, defaults to 0.0.0.0:8000
  • SOCKETIO: Set to {host}:{port}, defaults to 0.0.0.0:9000
  • UPSTREAM_REAL_IP_ADDRESS: Set Nginx config for ngx_http_realip_module#set_real_ip_from, defaults to 127.0.0.1
  • UPSTREAM_REAL_IP_HEADER: Set Nginx config for ngx_http_realip_module#real_ip_header, defaults to X-Forwarded-For
  • UPSTREAM_REAL_IP_RECURSIVE: Set Nginx config for ngx_http_realip_module#real_ip_recursive Set defaults to off
  • FRAPPE_SITE_NAME_HEADER: Set proxy header X-Frappe-Site-Name and serve site named in the header, defaults to $host, i.e. find site name from host header. More details below
  • PROXY_READ_TIMEOUT: Upstream gunicorn service timeout, defaults to 120
  • CLIENT_MAX_BODY_SIZE: Max body size for uploads, defaults to 50m

To bypass nginx-entrypoint.sh, mount desired /etc/nginx/conf.d/default.conf and run nginx -g 'daemon off;' as container command.

Configuration

We use environment variables to configure our setup. docker-compose uses variables from .env file. To get started, copy example.env to .env.

FRAPPE_VERSION

Frappe framework release. You can find all releases here.

DB_PASSWORD

Password for MariaDB (or Postgres) database.

DB_HOST

Hostname for MariaDB (or Postgres) database. Set only if external service for database is used.

DB_PORT

Port for MariaDB (3306) or Postgres (5432) database. Set only if external service for database is used.

REDIS_CACHE

Hostname for redis server to store cache. Set only if external service for redis is used.

REDIS_QUEUE

Hostname for redis server to store queue data. Set only if external service for redis is used.

REDIS_SOCKETIO

Hostname for redis server to store socketio data. Set only if external service for redis is used.

ERPNEXT_VERSION

ERPNext release. This variable is required if you use ERPNext override.

LETSENCRYPT_EMAIL

Email that used to register https certificate. This one is required only if you use HTTPS override.

FRAPPE_SITE_NAME_HEADER

This environment variable is not required. Default value is $$host which resolves site by host. For example, if your host is example.com, site's name should be example.com, or if host is 127.0.0.1 (local debugging), it should be 127.0.0.1 This variable allows to override described behavior. Let's say you create site named mysite and do want to access it by 127.0.0.1 host. Than you would set this variable to mysite.

There is other variables not mentioned here. They're somewhat internal and you don't have to worry about them except you want to change main compose file.