mattermost-docker/docker-compose.yml

# https://docs.docker.com/compose/environment-variables/

version: "3"

services:
  postgres:
    container_name: postgres_mattermost
    image: postgres:${POSTGRES_IMAGE_TAG}
    restart: ${RESTART_POLICY}
    volumes:
      - ${POSTGRES_DATA_PATH}:/var/lib/postgresql/data
    environment:
      # timezone inside container
      - TZ

      # necessay Postgres options/variables
      - POSTGRES_USER
      - POSTGRES_PASSWORD
      - POSTGRES_DB

  nginx:
    container_name: nginx_mattermost
    image: nginx:${NGINX_IMAGE_TAG}
    restart: ${RESTART_POLICY}
    volumes:
      - ${NGINX_MATTERMOST_CONFIG}:/etc/nginx/conf.d/mattermost.conf:ro
      - ${NGINX_DHPARAMS_FILE}:/dhparams4096.pem
      - ${CERT_PATH}:/cert.pem:ro
      - ${KEY_PATH}:/key.pem:ro
    environment:
      # timezone inside container
      - TZ
    ports:
      - ${HTTPS_PORT}:443
      - ${HTTP_PORT}:80

  mattermost:
    depends_on:
      - postgres
      - nginx
    container_name: mattermost
    image: mattermost/${MATTERMOST_IMAGE}:${MATTERMOST_IMAGE_TAG}
    restart: ${RESTART_POLICY}
    volumes:
      - ${MATTERMOST_CONFIG_PATH}:/mattermost/config:rw
      - ${MATTERMOST_DATA_PATH}:/mattermost/data:rw
      - ${MATTERMOST_LOGS_PATH}:/mattermost/logs:rw
      - ${MATTERMOST_PLUGINS_PATH}:/mattermost/plugins:rw
      - ${MATTERMOST_CLIENT_PLUGINS_PATH}:/mattermost/client-plugins:rw
    environment:
      # timezone inside container
      - TZ

      # necessary Mattermost options/variables (see env.example)
      - MM_SQLSETTINGS_DRIVERNAME
      - MM_SQLSETTINGS_DATASOURCE

      - MM_SERVICESETTINGS_SITEURL
      - MM_LOGSETTINGS_CONSOLELEVEL
      - MM_LOGSETTINGS_FILELEVEL
      - MM_PASSWORDSETTINGS_MINIMUMLENGTH
      - MM_PASSWORDSETTINGS_SYMBOL
      - MM_PASSWORDSETTINGS_UPPERCASE

# If you use rolling image tags and feel lucky watchtower can automatically pull new images and
# instantiate containers from it. https://containrrr.dev/watchtower/
# Please keep in mind watchtower will have access on the docker socket. This can be a security risk.
#
#  watchtower:
#    container_name: watchtower
#    image: containrrr/watchtower:latest
#    restart: unless-stopped
#    volumes:
#      - /var/run/docker.sock:/var/run/docker.sock