How do I implement user authentication in a Rails app using Devise?

How do I implement user authentication in a Rails app using Devise?

To implement user authentication with Devise in a Rails app, first add the Devise gem to your Gemfile and run bundle install.

What are the steps after installing the gem?

After installing, run rails generate devise:install to set up the initial configuration. Then, generate a User model with rails generate devise User.

Do I need to run any migrations?

Yes, after generating the User model, run rails db:migrate to create the users table in your database.

How can I customize the sign-up form?

You can customize the sign-up form by editing the views located in app/views/devise/registrations/new.html.erb.