use devise instead auth0

db/migrate/20210808153626_add_devise_to_users.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+class AddDeviseToUsers < ActiveRecord::Migration[6.1]
+  def self.up
+    change_table(:users, bulk: true) do |t|
+      ## Database authenticatable
+      # t.string(:email,              null: false, default: "")
+      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)
+    end
+
+    change_column_default(:users, :email, "")
+
+    # add_index(:users, :email,                unique: true)
+    add_index(:users, :reset_password_token, unique: true)
+  end
+
+  def self.down
+    change_column_default(:users, :email, nil)
+
+    change_table(:users, bulk: true) do |t|
+      t.remove(:encrypted_password)
+      t.remove(:reset_password_token)
+      t.remove(:reset_password_sent_at)
+      t.remove(:remember_created_at)
+    end
+
+    remove_index(:users, :reset_password_token)
+  end
+end