[RUBY] Heroku CLI operation (command)
      
      
        
        
        
        
** This is just a list of commands. Please note that it is not the order when deploying **
** Describe in gem file to deploy rails application to Heroku **
Gemfile
 group :production do
     gem 'rails_12factor'
  end
- rails_12factor is used in the production environment instead of the development environment Gem, production is to be used in the production environment *
** Command list **
 
 -  Log in to heroku  dt>
  
 - heroku login --interactive
- 
 
  -  Create an application to publish on Heroku  dt>
 
 -  heroku create app name  dd>
 
 -  Is the application reflected?  dt>
  
 - git config --list | grep heroku
 
 -  Create my sql on heroku (ClearDB add-on)  dt>
  
 - heroku addons:add cleardb
 
 -  When using Ruby on Rails, change to Gem corresponding to MySQL  dt>
  
 - heroku_cleardb=`heroku config:get CLEARDB_DATABASE_URL`
 
 -  Change to own mysql version (URL)  dt>
 
 -  heroku config: set DATABASE_URL = [own mysql] $ {heroku_cleardb: 5}  dd>
 
 -  When you want to decrypt credentials.yml.enc with master.key and check the contents  dt>
  
 - EDITOR="vi" bin/rails credentials:edit
 
 -  Setting environment variables on Heroku  dt>
  
 - heroku config:set RAILS_MASTER_KEY=`cat config/master.key`
 
 -  Show Heroku environment variable list  dt>
  
 - heroku config
 
 -  App reflected on heroku  dt>
  
 - git push heroku master
 
 -  Reflect migration on heroku  dt>
  
 - heroku run rails db:migrate
  
 -  * heroku run is used when you want to operate on heroku *  dd>
 
 -  When you want to see the information of the application deployed on Heroku  dt>
  
 - heroku apps:info