mongo instance port stuff

docker-compose.yml

version: '3'
services:
  # proxy:
  #   image: jwilder/nginx-proxy:latest
  #   ports:
  #     - "80:3000"
  #   volumes:
  #     - "/var/run/docker.sock:/tmp/docker.sock"
  #
  # https://github.com/docker/machine/issues/3982
  # proxy:
  #   image: nginx
  #   volumes: # mount custom config at runtime
  #     - ./config/nginx.conf:/etc/nginx/conf.d/default.conf
  #   links:
  #     - web:app # "app" is the hostname used in proxy_pass directive
  #   ports:
  #     - 80:3000
  web:
    build: .
    # command: bundle exec puma -C config/puma.rb
    command: bundle exec rails s -p 3000 -b '0.0.0.0'
    volumes:
      - .:/app:cached
      # - box
    # volumes_from:
    #   - box
    ports:
      - "80:3000"
    links:
      - mongo
      - redis
    env_file: .env
  redis:
    image: redis
  mongo:
    # command: mongod --bind_ip 127.0.0.1 --port 27017
    image: mongo
    # expose:
    #   - "27017"
    ports:
      # - "27017:27017"
      - "127.0.0.1:27017:27017"
  sidekiq:
    build: .
    command: bundle exec sidekiq
    links:
      - mongo
      - redis
    volumes:
      - .:/app:cached
    env_file: .env
  # box:
  #   image: busybox
  #   volumes:
  #     - /box