docker-compose.yml

version: '3.3'
services:
  mongo-primary:
    container_name: mongo-primary
    image: mongo:4.0.11
    volumes:
      - $HOME/.dockerMongoRepl/primary/data/db:/data/db
      - $HOME/.dockerMongoRepl/keyfile:/data/keyfile
    extra_hosts:
      - 'url:ip'
    ports:
      - 27017:27017
    restart: always
    environment:
      - MONGO_INITDB_ROOT_USERNAME=admin
      - MONGO_INITDB_ROOT_PASSWORD=admin
    command: --bind_ip_all --auth --keyFile /data/keyfile/mongo-cluster-key --replSet rs0
  mongo-secondary:
    container_name: mongo-secondary
    image: mongo:4.0.11
    volumes:
      - $HOME/.dockerMongoRepl/secondary/data/db:/data/db
      - $HOME/.dockerMongoRepl/keyfile:/data/keyfile
    depends_on:
      - mongo-primary
    extra_hosts:
      - 'url:ip'
    ports:
      - 27018:27017
    restart: always
    command: --bind_ip_all -auth --keyFile /data/keyfile/mongo-cluster-key --replSet rs0
  mongo-arbiter:
    container_name: mongo-arbiter
    image: mongo:4.0.11
    volumes:
      - $HOME/.dockerMongoRepl/arbiter/data/arb:/data/arb
      - $HOME/.dockerMongoRepl/keyfile:/data/keyfile
    depends_on:
      - mongo-primary
    extra_hosts:
      - 'url:ip'
    ports:
      - 27019:27017
    restart: always
    command: --bind_ip_all --auth --keyFile /data/keyfile/mongo-cluster-key --replSet rs0