Configure User with Devise

bundle exec rails generate devise User

app/models/user.rb

@@ -1,2 +1,6 @@
 class User < ApplicationRecord
+  # Include default devise modules. Others available are:
+  # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
+  devise :database_authenticatable, :registerable,
+         :recoverable, :rememberable, :validatable
 end

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  devise_for :users
   resources :users
   # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 

db/migrate/20230311220654_add_devise_to_users.rb

@@ -0,0 +1,41 @@
+class AddDeviseToUsers < ActiveRecord::Migration[7.0]
+  def change
+    change_table :users do |t|
+      ## NOTE: commented fields left for reference/inclusion in future migrations
+
+      ## Database authenticatable
+      t.string :encrypted_password, null: false, default: ""
+
+      ## Recoverable
+      t.string :reset_password_token
+      t.datetime :reset_password_sent_at
+
+      ## Rememberable
+      t.datetime :remember_created_at
+
+      ## Confirmable
+      t.string :confirmation_token
+      t.datetime :confirmed_at
+      t.datetime :confirmation_sent_at
+      # Only if using reconfirmable
+      t.string :unconfirmed_email
+
+      ## Trackable
+      # t.integer :sign_in_count, default: 0, null: false
+      # t.datetime :current_sign_in_at
+      # t.datetime :last_sign_in_at
+      # t.string :current_sign_in_ip
+      # t.string :last_sign_in_ip
+
+      ## Lockable
+      # t.string :unlock_token # Only if unlock strategy is :email or :both
+      # t.datetime :locked_at
+      # Only if lock strategy is :failed_attempts
+      # t.integer :failed_attempts, default: 0, null: false 
+    end
+
+    add_index :users, :reset_password_token, unique: true
+    add_index :users, :confirmation_token, unique: true
+    # add_index :users, :unlock_token, unique: true
+  end
+end