Docker compose for Sentry server with redis and celery workers

docker-compose.yml

redis:
  image: redis
sentry-celery-beat:
  environment:
    SENTRY_SECRET_KEY: 'thisisnotsosecret'
  command:
  - sentry
  - celery
  - beat
  image: sentry
  links:
  - redis:redis
  - postgres:postgres
sentry:
  ports:
  - 9000:9000/tcp
  environment:
    SENTRY_SECRET_KEY: 'thisisnotsosecret'
  image: sentry
  links:
  - redis:redis
  - postgres:postgres
postgres:
  environment:
    POSTGRES_PASSWORD: secret
    POSTGRES_USER: sentry
  image: postgres
sentry-celery-worker:
  environment:
    SENTRY_SECRET_KEY: 'thisisnotsosecret'
  command:
  - sentry
  - celery
  - worker
  image: sentry
  links:
  - redis:redis
  - postgres:postgres