docker-compose.yaml

# Use root/example as user/password credentials
version: "3.1"

services:
  mongo-primary:
    image: mongo:4.4.0
    container_name: mongo-primary
    ports:
      - 30000:27017
    networks:
      - mongo-compose-network
    volumes:
      - mongo_db_primary:/data/db
      - mongo_configdb_primary:/data/configdb
    restart: unless-stopped
    depends_on:
      - mongo-secondary
      - mongo-arbiter
    command: "--bind_ip_all --replSet rs0"

  mongo-secondary:
    image: mongo:4.4.0
    container_name: mongo-secondary
    ports:
      - 30001:27017
    networks:
      - mongo-compose-network
    volumes:
      - mongo_db_secondary:/data/db
      - mongo_configdb_secondary:/data/configdb
    restart: unless-stopped
    command: "--bind_ip_all --replSet rs0"

  mongo-arbiter:
    image: mongo:4.4.0
    container_name: mongo-arbiter
    ports:
      - 30002:27017
    networks:
      - mongo-compose-network
    volumes:
      - mongo_db_arbiter:/data/db
      - mongo_configdb_arbiter:/data/configdb
    restart: unless-stopped
    command: "--bind_ip_all --replSet rs0"

  mongo-express:
    image: mongo-express
    ports:
      - 8081:8081
    environment:
      ME_CONFIG_MONGODB_SERVER: mongo-primary,mongo-secondary,mongo-arbiter
      ME_CONFIG_MONGODB_PORT: 27017
      ME_CONFIG_MONGODB_ENABLE_ADMIN: true
      ME_CONFIG_MONGODB_ADMINUSERNAME: root
      ME_CONFIG_MONGODB_ADMINPASSWORD: rootpassword
      ME_CONFIG_MONGODB_AUTH_DATABASE: admin
      ME_CONFIG_MONGODB_AUTH_USERNAME: root
      ME_CONFIG_MONGODB_AUTH_PASSWORD: rootpassword
      ME_CONFIG_BASICAUTH_USERNAME: admin
      ME_CONFIG_BASICAUTH_PASSWORD: q
    depends_on:
      - mongo-primary
    networks:
      - mongo-compose-network

networks:
  mongo-compose-network:
    driver: bridge

volumes:
  mongo_db_primary:
  mongo_configdb_primary:
  mongo_db_secondary:
  mongo_configdb_secondary:
  mongo_db_arbiter:
  mongo_configdb_arbiter: