Express-Postgres-Nginx-Docker/docker-compose.yml at master · KorayGocmen/Express-Postgres-Nginx-Docker · GitHub

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version: '2'
services:
  nginx:
    build: ./nginx
    links:
      - app1:app1
      - app2:app2
      - app3:app3
    ports:
      - "80:80"

  app1:
    build: ./app
    links:
      - db
    environment:
      PORT: 3000
      DB_CONNECTION: postgres://user:secure1@db/test_db
      NODE_ENV: "production"
    ports:
      - "3000:3000"

  app2:
    build: ./app
    links:
      - db
    environment:
      PORT: 3000
      DB_CONNECTION: postgres://user:secure1@db/test_db
      NODE_ENV: "production"
    ports:
      - "3001:3000"

  app3:
    build: ./app
    links:
      - db
    environment:
      PORT: 3000
      DB_CONNECTION: postgres://user:secure1@db/test_db
      NODE_ENV: "production"
    ports:
      - "3002:3000"

  db:
    image: postgres:9.3
    environment:
      - POSTGRES_USER=user
      - POSTGRES_PASSWORD=secure1
      - POSTGRES_DB=test_db
    ports:
      - "5432:5432"