How to use Rails Composer and postgreSQL on Cloud9 and deploy on Heroku
问题 The process of using Rails Composer to create a rails app using postgreSQL on Cloud9 and deploying on Heroku is fraught with warnings and errors that can confound a new developer. Are there any instructions that can help me get through the process and deploy my starter app? 回答1: I believe in the rails composer, cloud9 and heroku and the latter's recommended postgreSQL database though using them all together has a lot of little details that no one source clarifies how to get around. After