Add devise to rails app

Devise is a very useful gem in the rails ecosystem. It provides powerful out-of-the-box solutions for authentication functionalities to add to your rails application.

In this guide, we will look at the basic steps one needs to integrate devise.

Install devise

bundle add devise

This will add install the gem and add it to the gemfile

Generate initial configuration files

rails generate devise:install

• In config/environment/dev add config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
  • This ensures that Devise-generated emails contain the correct URL.
• Set a root path in routes.rb, if not already.

Generate the view files

rails generate devise:views

Use it to modify the default view of signup, login and other authentication-related pages.

Generate user model

rails generate devise User

after generating the model, perform a database migration to add the User model to your database.

rails db:migrate

Now you could explore other features like confirming while signup, forgot password, lock attempts etc.