sources:
  nginx-1.14.1.tar.gz: a9dc8c5b055a3f0021d09c112d27422f45dd439c
  nginx-1.14.1.tar.gz.asc: 5817bc2752ad00757f1ef1639831c63a7a08be54
  nginx-logo.png: a609ff4e27b6236233ea576739a6fb040da4d550
  nginx-rtmp-module-1.2.1.tar.gz: 7c6ae1afc117e3bf946b0d81f99d41fe538a7245