sources:
  docker-ce-19.03.1.tar.gz: ea6221d6a0e04781f1df7da44bf8190b191e1292
  libnetwork-master.zip: 03004a4f59a64a861277a932871610186a38f10d
  tini-0.18.0.tar.gz: 27b7529ae87ea688e21d0a061b6d9299ff9362f6