# Using version 3 to provide play-with-docker badge
# You can change to version 2 without breaking.
#version: '2'
version: '3'
services:
  database:
    # Don't upgrade PostgreSQL by simply changing the version number
    # You need to migrate the Database to the new PostgreSQL version
    image: ${database_image}:${database_version}
    #mem_limit: 256mb         # version 2 only
    #memswap_limit: 512mb     # version 2 only
    #read_only: true          # not supported in swarm mode please enable along with tmpfs
    #tmpfs:
    #  - /run/postgresql:size=512K
    #  - /tmp:size=256K
    #environment:
    #  - POSTGRES_USER=hedgedoc
    #  - POSTGRES_PASSWORD=
    #  - POSTGRES_DB=hedgedoc
    volumes:
      - database:/var/lib/postgresql/data
    networks:
      backend:
    restart: always

  # MySQL example
  # Most of the documentation that applies to PostgreSQL applies also to MySQL
  #database:
  #    # You should be able to upgrade MySQL without problems
  #    # but to make sure no even when a problem appears you
  #    # should have a backup
  #    image: mariadb:10
  #    #environment:
  #    #  - MYSQL_USER=hedgedoc
  #    #  - MYSQL_PASSWORD=password
  #    #  - MYSQL_DATABASE=hedgedoc
  #    #  - MYSQL_ALLOW_EMPTY_PASSWORD=true
  #    volumes:
  #      - database:/var/lib/mysql
  #      # This config provides UTF-8 support to the database by default
  #      # If this config is not used, HedgeDoc breaks as it tries to write
  #      # UTF-8 to a latin database.
  #      - ./resources/utf8.cnf:/etc/mysql/conf.d/utf8.cnf
  #    networks:
  #      backend:
  #    restart: always

  app:
    # Uncomment the following section to build the image yourself:
    #build:
    #  context: .
    #  dockerfile: debian/Dockerfile
    #  args:
    #    - "VERSION=master"
    #    - "HEDGEDOC_REPOSITORY=https://github.com/hedgedoc/hedgedoc.git"
    image: ${hedgedoc_image}:${hedgedoc_version}
    #mem_limit: 256mb         # version 2 only
    #memswap_limit: 512mb     # version 2 only
    #read_only: true          # not supported in swarm mode, enable along with tmpfs
    #tmpfs:
    #  - /tmp:size=10M
    #  # Make sure you remove this when you use filesystem as upload type
    #  - /hedgedoc/public/uploads:size=10M
#    environment:
#      # **DB_URL** is formatted like: <databasetype>://<username>:<password>@<hostname>:<port>/<database>
#      # Other examples are:
#      # - mysql://hedgedoc:password@database:3306/hedgedoc
#      # - sqlite:///data/sqlite.db (NOT RECOMMENDED)
#      # - For details see the official sequelize docs: http://docs.sequelizejs.com/en/v3/
#      - CMD_DB_URL=postgres://hedgedoc:password@database:5432/hedgedoc
#      # **DOMAIN** is the domain under which HedgeDoc will be available. Just the (sub)domain, no protocol or paths.
#      # You MUST change this if your instance should be available under another domain than "localhost", otherwise your
#      # instance may be broken.
#      # You can define only ONE domain.
#      - CMD_DOMAIN=localhost
#      # **PROTOCOL_USESSL** defines if generated links should be HTTPS URLs.
#      # This variable won't activate encryption on the listen port.
#      # Set this to true if your reverse proxy exposes your instance via HTTPS.
#      - CMD_PROTOCOL_USESSL=false
#      # **HSTS_ENABLE** defines if HSTS headers should be sent. Set this to true if you use HTTPS.
#      - CMD_HSTS_ENABLE=false
#      # **URL_ADDPORT** defines if generated links should contain the port.
#      # Set this to false if your reverse uses the default ports (443 for HTTPS or 80 for HTTP).
#      - CMD_URL_ADDPORT=true
    volumes:
      - uploads:/hedgedoc/public/uploads
      - data:/data
    ports:
      # Ports that are published to the outside.
      # The latter port is the port inside the container. It should always stay on 3000
      # If you only specify a port it'll published on all interfaces. If you want to use a
      # local reverse proxy, you may want to listen on 127.0.0.1.
      # Example:
      # - "127.0.0.1:3000:3000"
      - "3000:3000"
    networks:
      backend:
    restart: always
    depends_on:
      - database

# Define networks to allow best isolation
networks:
  # Internal network for communication with PostgreSQL/MySQL
  backend:

# Define named volumes so data stays in place
volumes:
  # Volume for PostgreSQL/MySQL database
  database:
  uploads:
  data: