sources:
  nginx-1.19.8.tar.gz: c60654a70bea0a9bbc009b83cd95e1e76f0dd7ec
  nginx-logo.png: a609ff4e27b6236233ea576739a6fb040da4d550
  nginx-rtmp-module-1.2.1.tar.gz: 7c6ae1afc117e3bf946b0d81f99d41fe538a7245