db:
  image: sameersbn/postgresql:9.4
  environment:
    - DB_NAME=saleor
    - DB_USER=saleor
    - DB_PASS=saleor
redis:
  image: redis
web:
  build: .
  links:
    - db
    - redis
  ports:
    - '8000:8000'
  volumes:
    - .:/app

db:
  image: sameersbn/postgresql:9.4
  environment:
    - DB_NAME=saleor
    - DB_USER=saleor
    - DB_PASS=saleor
redis:
  image: redis
web:
  build: .
  environment:
    - SECRET_KEY=changeme
  links:
    - db
    - redis
  ports:
    - '8000:8000'
  volumes:
    - .:/app

Set SECRET_KEY for the web container
Set SECRET_KEY for the web container
