I have followed book until chapter 5 finished and it\'s working OK in my linux workstation
when I push to Heroku, all data pushed correctly but when I try to open Heroku (ht
I know it's an old problem but I ran into it too. I realized I didn't change the root route in config/routes.rb before pushing. Not changing it might result in a welcome page locally, but on heroku it will get the above error.