chat-app/docker-compose.yml

version: '3.4'

services:
  chatapp:
    image: chatapp
    build:
      context: .
      dockerfile: ./Dockerfile
    environment:
      NODE_ENV: production
      PORT: ${PORT}
      DEBUG: true
    ports:
      - ${PORT}:${PORT}
  mongo:
    image: 'mongo'
    volumes:
      - ./mongo-volume:/data/db
    ports:
      - '27017-27019:27017-27019'