Rails environment loading Simple project for check environment variables loading in RoR Viblo post: https://viblo.asia/p/environment-reloading-with-unicorn-and-dotenv-RQqKLggN57z Youtube video: https://www.youtube.com/watch?v=S6QyJNSIPH8 Ref: http://sorentwo.com/2014/08/27/environment-reloading.html