我看了其他类似的问题，但没有一个解决方案适合我。 我使用rails，ruby＆gt; 2.2。我事先预编译了我的资料，然后按照heroku网站上的步骤进行部署。 Heroku重启或Heroku打开产生以下日志
T13:23:51.140722+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=tranquil-reef-67177.herokuapp.com request_id=ddb61e34-f755-4c7b-b6e7-fbb7d2d2c545 fwd="99.99.45.37" dyno= connect= service= status=503 bytes= protocol=https
2017-08-16T13:26:09.989021+00:00 heroku[web.1]: State changed from crashed to starting 2017-08-16T13:26:12.914632+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 16431 -e production` 2017-08-16T13:26:18.084985+00:00 heroku[web.1]: Process exited with status 1
2017-08-16T13:26:17.981060+00:00 app[web.1]: 2017-08-16T13:26:17.981072+00:00 app[web.1]:
2017-08-16T13:26:17.981118+00:00 app[web.1]: >>>> A cacert.pem bundle could not be downloaded. 2017-08-16T13:26:17.981452+00:00 app[web.1]: => Booting Puma
2017-08-16T13:26:17.981454+00:00 app[web.1]: => Run `rails server -h` for more startup options 2017-08-16T13:26:17.981454+00:00 app[web.1]: => Rails 5.1.3 application starting in production on http://0.0.0.0:16431 2017-08-16T13:26:17.981457+00:00 app[web.1]: Exiting
2017-08-16T13:26:18.097040+00:00 heroku[web.1]: State changed from starting to crashed 2017-08-16T13:28:52.442323+00:00 app[api]: Starting process with command `bundle exec rake db:setup` by user smantri7@gatech.edu 2017-08-16T13:28:58.768622+00:00 heroku[run.9307]: Awaiting client
2017-08-16T13:28:58.793376+00:00 heroku[run.9307]: Starting process with command `bundle exec rake db:setup`
2017-08-16T13:28:58.977883+00:00 heroku[run.9307]: State changed from starting to up 2017-08-16T13:29:06.107123+00:00 heroku[run.9307]: State changed from up to complete
2017-08-16T13:29:06.088150+00:00 heroku[run.9307]: Process exited with status 1 2017-08-16T13:29:25.187872+00:00 heroku[run.6090]: Awaiting client
2017-08-16T13:29:25.261306+00:00 heroku[run.6090]: Starting process with command `bundle exec rake db:create`
2017-08-16T13:29:25.463655+00:00 heroku[run.6090]: State changed from starting to up 2017-08-16T13:29:21.565730+00:00 app[api]: Starting process with command `bundle exec rake db:create` by user smantri7@gatech.edu
2017-08-16T13:29:33.024076+00:00 heroku[run.6090]: State changed from up to complete
2017-08-16T13:29:33.008825+00:00 heroku[run.6090]: Process exited with status 1
2017-08-16T13:31:57.967030+00:00 app[api]: Starting process with command `bundle exec rake db:push` by user smantri7@gatech.edu
2017-08-16T13:32:01.731122+00:00 heroku[run.8862]: Awaiting client
2017-08-16T13:32:01.787259+00:00 heroku[run.8862]: Starting process with command `bundle exec rake db:push`
2017-08-16T13:32:01.976994+00:00 heroku[run.8862]: State changed from starting to up
2017-08-16T13:32:09.014212+00:00 heroku[run.8862]: State changed from up to complete
2017-08-16T13:32:08.996819+00:00 heroku[run.8862]: Process exited with status 1 2017-08-16T13:33:08.827762+00:00 heroku[web.1]: State changed from crashed to starting
2017-08-16T13:33:12.246286+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 40298 -e production`
答案 0 :(得分：1)
问题在于：＆gt;＆gt;＆gt;＆gt;无法下载cacert.pem软件包。您需要检查cacert.pem的问题