Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:host]

Question

I am trying to push my app on heroku. I am still in dev. I use devise with the confirmable module.

When I try to add a user with the heroku console I got this error:<

Answer 1

Ok,

First you have to install the sendgrid gem with this command line:

heroku addons:add sendgrid:free

Then you just have to configure your env/dev.rb and env/prod.rb like this:

env/dev.rb

config.action_mailer.default_url_options = { :host => 'localhost:3000' }

env/prod.rb

config.action_mailer.default_url_options = { :host => 'yourapp.heroku.com' }

Push on git and heroku. It should work..