Thank you for continuing to follow this tutorial. If you stumble on this post and don’t know what happening, please check Part 1 , Part 2 and Part 3 that covers basic setup and styling. Also please check Live Demo for the final result. If like to deep straight into code, here is the source code for all 3 parts.
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- verified heroku account
- heroku command line tool
For deployment to Heroku I will be using amazing example from heroku blog
First of all go to your Gemfile and uncomment line:
gem 'redis', '~> 3.0'
Create heroku app, by going into your
heroku create notificator-rails5
Add redis to our app (it requires verified account, but redis itself is free up to 10 connections)
heroku addons:add redistogo --app notificator-rails5
Get redis url that is used for production
heroku config --app notificator-rails5 | grep REDISTOGO_URL
You will get something like this:
REDISTOGO_URL: redis://redistogo:[email protected]:9490/
Put this variable into cable.yml (please change your redis url to the one you got from the heroku)
development: adapter: async test: adapter: async production: adapter: redis url:redis://redistogo:[email protected]:9490/
Next step is to specify websockets url path. Go to production.rb and add following lines:
config.web_socket_server_url = "wss://notificator-rails5.herokuapp.com/cable" config.action_cable.allowed_request_origins = [ 'https://notificator-rails5.herokuapp.com', /http://notificator-rails5.herokuapp.com.*/ ]
While you are in production.rb, we need to do a special fix for Heroku to show assets:
change from false to true:
config.assets.compile = true
config.assets.digest = true
Cool! We are good to go!
Commit this and push to master:
git push heroku master
In case when its succeeds you still don’t see your website, run:
heroku rake db:migrate
to force database migration
Please post your questions into comment section.
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IT Consultant with 6 years experience in Software Development and IT Leadership. Participated in such projects as Eclipse IDE, Big Blue Button, Toronto 2015 Panam Games.