sources:
  nginx-1.19.9.tar.gz: 7de04e09320167c005b4f70f3f4e42f076998db4
  nginx-logo.png: a609ff4e27b6236233ea576739a6fb040da4d550
  nginx-rtmp-module-1.2.1.tar.gz: 7c6ae1afc117e3bf946b0d81f99d41fe538a7245