compose.yaml

version: '3'
services:

  #сервер конфигурации
  configSrv:
    image: mongo:latest # docker образ
    container_name: configSrv 
    restart: always
    ports:
      - "27017:27017"
    networks:
      app-network:
        ipv4_address: 173.17.0.10
    volumes:
      - config-data:/data/db
    command:
      [
        "--configsvr",  #запуск в режиме конфигурации
        "--replSet",
        "config_server",
        "--bind_ip_all",
        "--port",
        "27017"
      ] 
    healthcheck:
      test: [ "CMD", "mongo", "--eval", "db.adminCommand('ping')" ]
      interval: 5s
      start_period: 10s

  #1-й шард 
  shard1:
    image: mongo:latest
    container_name: shard1
    restart: always
    ports:
      - "27018:27018"
    networks:
      app-network:
        ipv4_address: 173.17.0.9
    volumes:
      - shard1-data:/data/db
    command:
      [
        "--shardsvr", #запуск в режиме шардинга
        "--replSet",
        "shard1", #название реплики
        "--bind_ip_all",
        "--port",
        "27018"
      ]
    healthcheck:
      test: [ "CMD", "mongo", "--eval", "db.adminCommand('ping')" ]
      interval: 5s
      start_period: 10s

  #2-й шард 
  shard2:
    image: mongo:latest
    container_name: shard2
    restart: always
    ports:
      - "27019:27019"
    networks:
      app-network:
        ipv4_address: 173.17.0.8
    volumes:
      - shard2-data:/data/db
    command:
      [
        "--shardsvr", #запуск в режиме шардинга
        "--replSet",
        "shard2", #название реплик
        "--bind_ip_all", # обратите внимание - она отличается от реплики 1-го шарда
        "--port",
        "27019"
      ]
    healthcheck:
      test: [ "CMD", "mongo", "--eval", "db.adminCommand('ping')" ]
      interval: 5s
      start_period: 10s
  
  #роутер
  mongos_router:
    image: mongo:latest
    container_name: mongos_router
    restart: always
    ports:
      - "27020:27020"
    networks:
      app-network:
        ipv4_address: 173.17.0.7
    command:
      [
        "mongos", #обычная mongo в режиме роутера
        "--configdb", 
        "config_server/configSrv:27017", #передача данных сервера конфигурации
        "--bind_ip_all",
        "--port",
        "27020"
      ]
    healthcheck:
      test: [ "CMD", "mongo", "--eval", "db.adminCommand('ping')" ]
      interval: 5s
      start_period: 10s

networks:
  app-network:
    driver: bridge
    ipam:
      driver: default
      config:
        - subnet: 173.17.0.0/16

volumes:
  config-data:
  shard1-data:
  shard2-data: