How can I specify a gem to pull from a private github repository?

Question

I have a private repository on Github that I want to use. I deploy my app to Heroku. How can I specify a private repository as the source on my gemfile? I imagine it wouldn\

Answer 1

I found that if I have access from my terminal to github (by uploading an ssh key to github), I can simply do:

gem 'my_gem', :git => 'git@github.com:my_user/my_repo.git', :ref => 'revision_no'

without polluting my code with my git username or password