Create rails project and your database, skip test.
cd to your project.
bundle your gems
Create your database.
Test the server.
Generate the controller.
Configure your URL path and root the index.
Generate your rails (app) controller {welcome index}.
Go to or create an index.html.erb file in your views/welcome folder.
Configure routes.rb and include resources :articles (this sets up your REST[Get, Post, Put/Patch, Delete])
Root "welcome#index" to your site.
Generate your rails controller [article](s)
Define a (new) action in your just created [articles]controller.
Make a new.html.erb file in /app/views/articles. Add an h1 title to display in browser.
Build a form_for :article, url: articles_path do |f| in new.html.erb and check on server.
Define a create action in articles_controller.
Generate your rails model Article title:string text:text
Run the migration.
In articles_controller.rb add to the create action, 1) Set @article = Article.new(article_params)  2) @article.save  3)redirect_to @article
Define a private article_params method, 1) params.require(:article).permit(:title, :text)
Add the show action, 1) @article = Article.find(params[:id])
Make a new file views/articles/show.html.erb add  <p><strong>Title:</strong><%=@article.title %></p><p><strong>Text:</strong><%=@article.text%></p>
In articles_controller.rb define index action, 1) @articles = Article.all
Then add the view for that controller action in app/views/articles/index.html.erb <h1>Index of Articles</h1><table><tr><th>Title</th><th>Text</th></tr><% @articles.each do |article| %><tr><td><%= article.title %></td><td><%= article.text %></td></tr><% end %></table>
In views/welcome/index.html.erb add  <h1>Hello, Rails!</h1><%= link_to 'My Blog', controller: 'articles' %>
In views/articles/index.html.erb above table tag add  <%= link_to 'New Article', new_article_path %>  &&&&  below table tag add  <%= link_to 'Back', articles_path %>
In views/articles/show.html.erb add  <%= link_to 'Back', articles_path %>
In models/article.rb add  vaidates :title, presence: true,  length: { minimum: 5 }
In controllers/articles_controller.rb add to the "new" action  @article = Article.new  &&&&  add  if @article.save   redirect_to @article   else   render 'new'   end
In articles/new.html.erb add  <% if @article.errors.any? %><div id="error_explanation"><h2><%= pluralize(@article.errors.count, "error") %> Prohibited this article from being saved: </h2><ul><% @article.errors.full_messages.each do |msg| %><li><%= msg %></li><% end %></ul></div><% end %>    <%= link_to 'Back', articles_path %>
In articles_controller.rb add below "new" action  def edit  @article = Article.find(params[:id])  end
Make a new file articles/edit.html.erb & add  <h1>Editing article</h1><%= form_for :article, url: article_path(@article), method: :patch do |f| %><% if @article.errors.any? %><div id="error_explanation"><h2><%= pluralize(@article.errors.count, "error") %> prohibited this article from being saved: </h2><ul><% @article.errors.full_messages.each do |msg| %><li><%= msg %></li><% end %></ul></div><% end %><p><%= f.label :title %><br><%= f.text_field :title %></p><p><%= f.label :text %><br><%= f.text_area :text %></p><p><%= f.submit %></p><% end %><%= link_to 'Back', articles_path %>
In articles_controller.rb add below "update" action  def update @article = Article.find(params[:id])  if @article.update(article_params)  redirect_to @article  else  render 'edit' end
Add links to articles/index.html.erb below <%= article.text%>  <td><%= link_to 'Show', article_path(article) %></td><td><%= link_to 'Edit', edit_article_path(article) %></td>
Add link to articles/show.html.erb before "back"  <%= link_to 'Edit', edit_article_path(@article) %> |
Make a new file /articles/_form.html.erb & copy code from articles/new.html.erb minus the "url: articles_path"  //////  add  <%= form_for :article do |f| %><% if @article.errors.any? %><div id="error_explanation"><h2><%= pluralize(@article.errors.count, "error") %> Prohibited this article from being saved: </h2><ul><% @article.errors.full_messages.each do |msg| %><li><%= msg %></li><% end %></ul></div><% end %><p><%= f.label :title %><br><%= f.text_field :title %></p><p><%= f.label :text %><br><%= f.text_area :text %></p><p><%= f.submit %></p><% end %>
Change new.html.erb & edit.html.erb to <h1>...</h1><%= render 'form' %><%= link_to 'Back', articles_path %>
D\\ Define destroy action in articles_controller.rb & add  @article = Article.find(params[:id])  @article.destroy  redirect_to articles_path  end
Add a destroy link to articles/index.html.erb as  <td><%= link_to 'Destroy', article_path(article),  method: :delete,  data: { confirm: 'Are you sure?' } %></td>