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 got the same error but realized that I hadn't change the HTML verb from GET to ROOT in config/routes.rb file.
It was get "/hello", to: "application#hello"
get "/hello", to: "application#hello"
I updated it to root "application#hello"
root "application#hello"
I then pushed it to git and deployed it to production.