docker-compose.yml

version: '3.1'

services:
  mongo:
    image: mongo
    container_name: chat-db
    restart: always
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: example
    ports:
      - "27017:27017"
    networks:
      - chat_network

  mongo-express:
    image: mongo-express
    container_name: chat-mongo-express
    restart: always
    ports:
      - 8081:8081
    environment:
      ME_CONFIG_MONGODB_ADMINUSERNAME: root
      ME_CONFIG_MONGODB_ADMINPASSWORD: example
    networks:
      - chat_network

  chat-api:
    image: node:11-alpine
    container_name: chat-api
    restart: always
    working_dir: /home/node/app
    user: "node"
    healthcheck:
      test: ["CMD", "curl", "-sS", "http://localhost:3000"]
      interval: 20s
      timeout: 5s
      retries: 3
    volumes:
      - ./:/home/node/app
    ports:
      - "3000:3000"
    command:
      sh -c 'cp .env.example .env && npm i && npm start'
    depends_on:
      - mongo
    links:
      - mongo
    networks:
      - chat_network
networks:
  chat_network:
    driver: bridge