compose-example-1

docker-compose.yml

version: '2' 
services: 
  # Data store 
  db: 
    image: mongo:3.2
    volumes: 
      - mongo-data:/data/db
    expose: 
      - "27017"
  # Session store
  kv: 
    image: redis:3.0.7-alpine
    volumes: 
      - redis-data:/data
    exposes: 
      - "6379" 
   # web front-end
   web:
     build: web
     expose: 
       - "80" 
     links: 
       - kv 
     environment:
       - KV_STORE=kv
    # api back-end
    api: 
      build: api
      expose:
        - "80"
      links:
        - db 
        - kv environment:
        - MONGODB_URL=mongodb://db/testdb
        - KV_STORE=kv 
    # Proxy
    proxy:
      build: proxy
      links: 
        - api 
        - web
      ports:
        - "80:80"
        - "8000:8000"
  volumes:
    mongo-data:
    redis-data: