Deploy Rails to Heroku

Background

After developing aRailsapp locally, the next step is to put it online. After developing a Rails app and previewing it locally on your computer, the next step is to put it online so others can see it. This is called deploying your app.

Herokuis a popular hosting service that is free to start using. Here’s how to deploy your Rails app to Heroku.

Instructions

• Create anew Heroku account.
• Install theHeroku Toolbelton your computer.
• In the terminal, log in using the email address and password you used when creating your Heroku account:$ heroku loginCopy to clipboard
• InGemfile, add thepggem to your Rails project. Change:gem sqliteCopy to clipboardtogem'sqlite3',group::developmentgem'pg','0.18.1',group::productionCopy to clipboard
• InGemfile, add therails_12factorgem::gem'rails_12factor',group::productionCopy to clipboard
• In the terminal, install the gems specified in theGemfile:$ bundle installCopy to clipboard
• Ensureconfig/database.ymlis using thepostgresqladapter. Change:production: <<: *default database: db/production.sqlite3toproduction: <<: *default adapter: postgresql database: db/production.sqlite3
• Commit your changes to git:$ git add .$ git commit -m "Heroku config"Copy to clipboard
• In the terminal, create an app on Heroku:$ heroku createCopy to clipboard
• Push your code to Heroku on themainbranch:$ git push heroku mainCopy to clipboard

$ heroku login
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$ heroku login

gem sqlite
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gem sqlite

gem 'sqlite3', group: :developmentgem 'pg', '0.18.1', group: :production
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gem 'sqlite3', group: :developmentgem 'pg', '0.18.1', group: :production

gem 'rails_12factor', group: :production
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gem 'rails_12factor', group: :production

$ bundle install
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$ bundle install

production:
  <<: *default
  database: db/production.sqlite3

production:
  <<: *default
  adapter: postgresql
  database: db/production.sqlite3

$ git add .$ git commit -m "Heroku config"
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$ git add .$ git commit -m "Heroku config"

$ heroku create
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$ heroku create

$ git push heroku main
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$ git push heroku main