运行 $git push heroku master 出现以下的问题
could not connect to server: Connection refused
Is the server running on host "127.0.0.1" and accepting
TCP/IP connections on port 5432?
Tasks: TOP => environment
Precompiling assets failed.remote: !
Attempted to access a nonexistent database:remote: !
https://devcenter.heroku.com/articles/pre-provision-database
解决方案：
在config/application.rb文件里添加
config.assets.initialize_on_precompile = false
http://stackoverflow.com/questions/13712012/error-pushing-to-heroku-aborting-my-rake-assetsprecompile
