docker-compose.yml

# MediaWiki with MariaDB, Redis and ElasticSearch

version: '3.8'
services:
  mediawiki:
    image: mediawiki:1.35
    container_name: wiki
    depends_on:
      - database
      - redis
      - elastic-master
      - elastic-replica
    build: 
      context: "./"
      dockerfile: Dockerfile
    environment:
      - NETWORK: proxy
      - VIRTUAL_HOST: $DOMAINS
      - LETSENCRYPT_HOST: $DOMAINS
      - LETSENCRYPT_EMAIL: $LETSENCRYPT_EMAIL
    restart: always
    ports:
      - 80
      - 443
    networks:
      - wiki-internal
      - proxy
    volumes:
      - ./images:/var/www/html/images
      # After initial setup, download LocalSettings.php and extensions to the same directory 
      # (e.g. docker cp wiki:/var/www/html/LocalSettings.php ./ ) as this yaml and uncomment
      # the following lines and use compose to restart the mediawiki service
      # - ./config/LocalSettings.php:/var/www/html/LocalSettings.php
      # - ./extensions:/var/www/html/extensions/
  database:
    container_name: wiki_db
    image: mariadb
    restart: always
    networks:
      wiki-internal:
        ipv4_address: 10.0.1.3
    volumes:
      - ./db:/var/lib/mysql
      # - ./config/db:/etc/mysql/conf.d
    environment:
      # @see https://phabricator.wikimedia.org/source/mediawiki/browse/master/includes/DefaultSettings.php
      MYSQL_DATABASE: wiki
      MYSQL_USER: wikiuser
      MYSQL_PASSWORD: wikipassword
      MYSQL_ROOT_PASSWORD: wikirootpassword
    
  redis:
    image: "redis:6.2"
    container_name: redis-wiki
    command: redis-server  # command: redis-server /usr/local/etc/redis/redis.conf --save 60 1 --loglevel warning
    ports:
      - "6379:6379"
    #volumes:
    #  - ./config/redis:/usr/local/etc/redis
    networks:
      - wiki-internal
    restart: always
  
  elastic-master:
    image: elasticsearch:6.8.20
    container_name: elasticsearch-master-wiki
    restart: always
    environment:
      - node.name=es-master
      - cluster.name=docker-cluster
      #- discovery.seed_hosts=es02,es03
      #- cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65536
        hard: 65536
    volumes:
      - ./elastic_data_master:/usr/share/elasticsearch/data:rw
    ports:
      - 9200:9200
    networks:
      wiki-internal:
        ipv4_address: 10.0.1.4

  elastic-replica:
    image: elasticsearch:6.8.20
    container_name: elastic-replica
    restart: always
    environment:
      - node.name=es-replica
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - "discovery.zen.ping.unicast.hosts=elastic-master"
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65536
        hard: 65536
    volumes:
      - ./elastic_data_replica:/usr/share/elasticsearch/data:rw
    networks:
      wiki-internal:
        ipv4_address: 10.0.1.5

networks:
  proxy:
    external: true
  wiki-internal:
    driver: bridge
    ipam:
     config:
       - subnet: 10.0.1.0/24
         gateway: 10.0.1.1