Block IPs on heroku?

I haven't found this any where in heroku's documentation or on google. Typically this is done in the host file. Does...

Heroku app page not found?

I deployed a rails app on Heroku. Everything was working fine. I pushed the code to Heroku master, and everything wo...

heroku open - no app specified?

I've just created a simple Rails app using rails new myapp then created the heroku stack using: heroku create -...

H14 error in heroku - “no web processes running”?

error H14 happen while deploying to heroku this is my procfile: web: gunicorn -w 4 -b 0.0.0.0:$PORT -k gevent main:...

Heroku “State changed from starting to down Stopping all processes with SIGTERM”?

After booting up my Node.js Heroku app with this Procfile: web: node www/main.js I used to get: Error R10 (B...