我想将我的 Rails 应用程序部署到 Heroku。当然，我还有一些额外的 gem，比如“devise”或“rails_admin”。我严格遵循 Rails Girls 教程（http://guides.railsgirls.com/heroku/）。我在运行时遇到了一些非常烦人的问题git push heroku master。
Counting objects: 220, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (198/198), done.
Writing objects: 100% (220/220), 94.69 KiB | 0 bytes/s, done.
Total 220 (delta 21), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Ruby app detected
remote: -----> Compiling Ruby/Rails
remote: -----> Using Ruby version: ruby-2.0.0
remote: -----> Installing dependencies using 1.7.12
remote: …