Finished initial Devise User setup

app/models/user.rb

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

app/views/users/confirmations/new.html.erb

+<h2>Resend confirmation instructions</h2>
+
+<%= simple_form_for(resource, as: resource_name, url: confirmation_path(resource_name), html: { method: :post }) do |f| %>
+  <%= f.error_notification %>
+  <%= f.full_error :confirmation_token %>
+
+  <div class="form-inputs">
+    <%= f.input :email, required: true, autofocus: true %>
+  </div>
+
+  <div class="form-actions">
+    <%= f.button :submit, "Resend confirmation instructions" %>
+  </div>
+<% end %>
+
+<%= render "users/shared/links" %>

app/views/users/mailer/confirmation_instructions.html.erb

+<p>Welcome <%= @email %>!</p>
+
+<p>You can confirm your account email through the link below:</p>
+
+<p><%= link_to 'Confirm my account', confirmation_url(@resource, confirmation_token: @token) %></p>

app/views/users/mailer/email_changed.html.erb

+<p>Hello <%= @email %>!</p>
+
+<% if @resource.try(:unconfirmed_email?) %>
+  <p>We're contacting you to notify you that your email is being changed to <%= @resource.unconfirmed_email %>.</p>
+<% else %>
+  <p>We're contacting you to notify you that your email has been changed to <%= @resource.email %>.</p>
+<% end %>

app/views/users/mailer/password_change.html.erb

+<p>Hello <%= @resource.email %>!</p>
+
+<p>We're contacting you to notify you that your password has been changed.</p>

app/views/users/mailer/reset_password_instructions.html.erb

+<p>Hello <%= @resource.email %>!</p>
+
+<p>Someone has requested a link to change your password. You can do this through the link below.</p>
+
+<p><%= link_to 'Change my password', edit_password_url(@resource, reset_password_token: @token) %></p>
+
+<p>If you didn't request this, please ignore this email.</p>
+<p>Your password won't change until you access the link above and create a new one.</p>

app/views/users/mailer/unlock_instructions.html.erb

+<p>Hello <%= @resource.email %>!</p>
+
+<p>Your account has been locked due to an excessive number of unsuccessful sign in attempts.</p>
+
+<p>Click the link below to unlock your account:</p>
+
+<p><%= link_to 'Unlock my account', unlock_url(@resource, unlock_token: @token) %></p>

app/views/users/passwords/edit.html.erb

+<h2>Change your password</h2>
+
+<%= simple_form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :put }) do |f| %>
+  <%= f.error_notification %>
+
+  <%= f.input :reset_password_token, as: :hidden %>
+  <%= f.full_error :reset_password_token %>
+
+  <div class="form-inputs">
+    <%= f.input :password, label: "New password", required: true, autofocus: true, hint: ("#{@minimum_password_length} characters minimum" if @minimum_password_length) %>
+    <%= f.input :password_confirmation, label: "Confirm your new password", required: true %>
+  </div>
+
+  <div class="form-actions">
+    <%= f.button :submit, "Change my password" %>
+  </div>
+<% end %>
+
+<%= render "users/shared/links" %>

app/views/users/passwords/new.html.erb

+<h2>Forgot your password?</h2>
+
+<%= simple_form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :post }) do |f| %>
+  <%= f.error_notification %>
+
+  <div class="form-inputs">
+    <%= f.input :email, required: true, autofocus: true %>
+  </div>
+
+  <div class="form-actions">
+    <%= f.button :submit, "Send me reset password instructions" %>
+  </div>
+<% end %>
+
+<%= render "users/shared/links" %>

app/views/users/registrations/edit.html.erb

+<h2>Edit <%= resource_name.to_s.humanize %></h2>
+
+<%= simple_form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put }) do |f| %>
+  <%= f.error_notification %>
+
+  <div class="form-inputs">
+    <%= f.input :email, required: true, autofocus: true %>
+
+    <% if devise_mapping.confirmable? && resource.pending_reconfirmation? %>
+      <p>Currently waiting confirmation for: <%= resource.unconfirmed_email %></p>
+    <% end %>
+
+    <%= f.input :password, autocomplete: "off", hint: "leave it blank if you don't want to change it", required: false %>
+    <%= f.input :password_confirmation, required: false %>
+    <%= f.input :current_password, hint: "we need your current password to confirm your changes", required: true %>
+  </div>
+
+  <div class="form-actions">
+    <%= f.button :submit, "Update" %>
+  </div>
+<% end %>
+
+<h3>Cancel my account</h3>
+
+<p>Unhappy? <%= link_to "Cancel my account", registration_path(resource_name), data: { confirm: "Are you sure?" }, method: :delete %></p>
+
+<%= link_to "Back", :back %>

app/views/users/registrations/new.html.erb

+<h2>Sign up</h2>
+
+<%= simple_form_for(resource, as: resource_name, url: registration_path(resource_name)) do |f| %>
+  <%= f.error_notification %>
+
+  <div class="form-inputs">
+    <%= f.input :email, required: true, autofocus: true %>
+    <%= f.input :password, required: true, hint: ("#{@minimum_password_length} characters minimum" if @minimum_password_length) %>
+    <%= f.input :password_confirmation, required: true %>
+  </div>
+
+  <div class="form-actions">
+    <%= f.button :submit, "Sign up" %>
+  </div>
+<% end %>
+
+<%= render "users/shared/links" %>

app/views/users/sessions/new.html.erb

+<h2>Log in</h2>
+
+<%= simple_form_for(resource, as: resource_name, url: session_path(resource_name)) do |f| %>
+  <div class="form-inputs">
+    <%= f.input :email, required: false, autofocus: true %>
+    <%= f.input :password, required: false %>
+    <%= f.input :remember_me, as: :boolean if devise_mapping.rememberable? %>
+  </div>
+
+  <div class="form-actions">
+    <%= f.button :submit, "Log in" %>
+  </div>
+<% end %>
+
+<%= render "users/shared/links" %>

app/views/users/shared/_links.html.erb

+<%- if controller_name != 'sessions' %>
+  <%= link_to "Log in", new_session_path(resource_name) %><br />
+<% end -%>
+
+<%- if devise_mapping.registerable? && controller_name != 'registrations' %>
+  <%= link_to "Sign up", new_registration_path(resource_name) %><br />
+<% end -%>
+
+<%- if devise_mapping.recoverable? && controller_name != 'passwords' && controller_name != 'registrations' %>
+  <%= link_to "Forgot your password?", new_password_path(resource_name) %><br />
+<% end -%>
+
+<%- if devise_mapping.confirmable? && controller_name != 'confirmations' %>
+  <%= link_to "Didn't receive confirmation instructions?", new_confirmation_path(resource_name) %><br />
+<% end -%>
+
+<%- if devise_mapping.lockable? && resource_class.unlock_strategy_enabled?(:email) && controller_name != 'unlocks' %>
+  <%= link_to "Didn't receive unlock instructions?", new_unlock_path(resource_name) %><br />
+<% end -%>
+
+<%- if devise_mapping.omniauthable? %>
+  <%- resource_class.omniauth_providers.each do |provider| %>
+    <%= link_to "Sign in with #{OmniAuth::Utils.camelize(provider)}", omniauth_authorize_path(resource_name, provider) %><br />
+  <% end -%>
+<% end -%>

app/views/users/unlocks/new.html.erb

+<h2>Resend unlock instructions</h2>
+
+<%= simple_form_for(resource, as: resource_name, url: unlock_path(resource_name), html: { method: :post }) do |f| %>
+  <%= f.error_notification %>
+  <%= f.full_error :unlock_token %>
+
+  <div class="form-inputs">
+    <%= f.input :email, required: true, autofocus: true %>
+  </div>
+
+  <div class="form-actions">
+    <%= f.button :submit, "Resend unlock instructions" %>
+  </div>
+<% end %>
+
+<%= render "users/shared/links" %>

config/routes.rb

 Rails.application.routes.draw do
+  devise_for :users
 	resources :posts
   root to: 'posts#index'
 end
\ No newline at end of file

db/migrate/20180711105122_devise_create_users.rb

+# frozen_string_literal: true
+
+class DeviseCreateUsers < ActiveRecord::Migration[5.2]
+  def change
+    create_table :users 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
+
+      ## 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
+
+      ## Confirmable
+      # t.string   :confirmation_token
+      # t.datetime :confirmed_at
+      # t.datetime :confirmation_sent_at
+      # t.string   :unconfirmed_email # Only if using reconfirmable
+
+      ## Lockable
+      # t.integer  :failed_attempts, default: 0, null: false # Only if lock strategy is :failed_attempts
+      # t.string   :unlock_token # Only if unlock strategy is :email or :both
+      # t.datetime :locked_at
+
+      t.string :first_name
+      t.string :last_name
+
+      t.timestamps null: false
+    end
+
+    add_index :users, :email,                unique: true
+    add_index :users, :reset_password_token, unique: true
+    # add_index :users, :confirmation_token,   unique: true
+    # add_index :users, :unlock_token,         unique: true
+  end
+end

test/fixtures/users.yml

+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+# This model initially had no columns defined. If you add columns to the
+# model remove the '{}' from the fixture names and add the columns immediately
+# below each fixture, per the syntax in the comments below
+#
+one: {}
+# column: value
+#
+two: {}
+# column: value

test/models/user_test.rb

+require 'test_helper'
+
+class UserTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end