version: "3"
services:

  ############# External services

  memcached:
    image: memcached:1.4.38

  mongodb:
    # Use WiredTiger in all environments, just like at edx.org
    command: mongod --smallfiles --nojournal --storageEngine wiredTiger
    image: mongo:3.0.14
    volumes:
      - ./data/mongodb:/data/db

  mysql:
    image: mysql:5.6.36
    command: mysqld --character-set-server=utf8 --collation-server=utf8_general_ci
    volumes:
      - ./data/mysql:/var/lib/mysql
      - ./mysql/config/:/etc/mysql/conf.d/openedx
    environment:
      # Load values from files generated by configurator
      MYSQL_DATABASE_FILE: /etc/mysql/conf.d/openedx/database
      MYSQL_USER_FILE: /etc/mysql/conf.d/openedx/username
      MYSQL_PASSWORD_FILE: /etc/mysql/conf.d/openedx/password
      MYSQL_ROOT_PASSWORD_FILE: /etc/mysql/conf.d/openedx/password

  nginx:
    build:
      context: ./nginx
    restart: on-failure
    ports:
      - "80:80"
    volumes:
      - ./data/lms:/openedx/data/lms:ro
      - ./data/cms:/openedx/data/cms:ro
    depends_on:
      - lms

  rabbitmq:
    image: rabbitmq:3.6.10
    volumes:
      - ./data/rabbitmq:/var/lib/rabbitmq

  # Simple SMTP server
  smtp:
    image: namshi/smtp

  ############# LMS and CMS

  lms:
    build:
      context: ./edxapp
      args:
        service_variant: lms
    restart: on-failure
    volumes:
      - ./data/lms:/openedx/data
    depends_on:
      - memcached
      - mongodb
      - mysql
      - rabbitmq
      - smtp

  cms:
    build:
      context: ./edxapp
      args:
        service_variant: cms
    restart: on-failure
    volumes:
      - ./data/cms:/openedx/data
    depends_on:
      - lms

  ############# LMS and CMS workers

  # We could probably create one service per queue here. For small instances, it is not necessary.
  lms_worker:
    build:
      context: ./edxapp
      args:
        service_variant: lms
    command: ./manage.py lms --settings=production celery worker --loglevel=info --hostname=edx.lms.core.default.%%h --maxtasksperchild 100
    environment:
      C_FORCE_ROOT: "1" # run celery tasks as root #nofear
    restart: on-failure
    volumes:
      - ./data/lms_worker:/openedx/data
    depends_on:
      - lms

  cms_worker:
    build:
      context: ./edxapp
      args:
        service_variant: cms
    command: ./manage.py cms --settings=production celery worker --loglevel=info --hostname=edx.cms.core.default.%%h --maxtasksperchild 100
    environment:
      C_FORCE_ROOT: "1" # run celery tasks as root #nofear
    restart: on-failure
    volumes:
      - ./data/cms_worker:/openedx/data
    depends_on:
      - cms