master:
  restart: always
  image: redis
  command: redis-server --requirepass mypassword
slave:
  restart: always
  image: redis
  command: redis-server --requirepass mypassword --slaveof redis-master 6379
  links:
    - master:redis-master
sentinel:
  build: sentinel
  environment:
    - SENTINEL_DOWN_AFTER=5000
    - SENTINEL_FAILOVER=5000    
  links:
    - master:redis-master
    - slave