Ruby on Rails

Ruby on Rails

###########################################################################################################################

# Ruby on Rails

###########################################################################################################################
***************************************************************************************************************************

# Ruby on Rails App http 127.0.0.1 3000

***************************************************************************************************************************
===========================================================================================================================

# ruby # gem # bundler # bundle # rake # rails

===========================================================================================================================

% ruby --version
[
ruby 3.4.1 (2024-12-25 revision 48d4efcb85) +PRISM [arm64-darwin24]
]

% gem --version
[
3.6.3
]

% bundler --version
[
Bundler version 2.6.3
]

% bundle --version
[
Bundler version 2.6.3
]

% rake --version
[
rake, version 13.2.1
]

% rails --version
[
Rails 8.0.1
]

===========================================================================================================================

# Rails New App

===========================================================================================================================

# 1 # Create Rails App
% rails new store

% cd store

# Directory Structure
% tree
[
.
├── Dockerfile
├── Gemfile
├── Gemfile.lock
├── README.md
├── Rakefile
├── app
│   ├── assets
│   │   ├── images
│   │   └── stylesheets
│   │       └── application.css
│   ├── controllers
│   │   ├── application_controller.rb
│   │   └── concerns
│   ├── helpers
│   │   └── application_helper.rb
│   ├── javascript
│   │   ├── application.js
│   │   └── controllers
│   │       ├── application.js
│   │       ├── hello_controller.js
│   │       └── index.js
│   ├── jobs
│   │   └── application_job.rb
│   ├── mailers
│   │   └── application_mailer.rb
│   ├── models
│   │   ├── application_record.rb
│   │   └── concerns
│   └── views
│       ├── layouts
│       │   ├── application.html.erb
│       │   ├── mailer.html.erb
│       │   └── mailer.text.erb
│       └── pwa
│           ├── manifest.json.erb
│           └── service-worker.js
├── bin
│   ├── brakeman
│   ├── bundle
│   ├── dev
│   ├── docker-entrypoint
│   ├── importmap
│   ├── jobs
│   ├── kamal
│   ├── rails
│   ├── rake
│   ├── rubocop
│   ├── setup
│   └── thrust
├── config
│   ├── application.rb
│   ├── boot.rb
│   ├── cable.yml
│   ├── cache.yml
│   ├── credentials.yml.enc
│   ├── database.yml
│   ├── deploy.yml
│   ├── environment.rb
│   ├── environments
│   │   ├── development.rb
│   │   ├── production.rb
│   │   └── test.rb
│   ├── importmap.rb
│   ├── initializers
│   │   ├── assets.rb
│   │   ├── content_security_policy.rb
│   │   ├── filter_parameter_logging.rb
│   │   └── inflections.rb
│   ├── locales
│   │   └── en.yml
│   ├── master.key
│   ├── puma.rb
│   ├── queue.yml
│   ├── recurring.yml
│   ├── routes.rb
│   └── storage.yml
├── config.ru
├── db
│   ├── cable_schema.rb
│   ├── cache_schema.rb
│   ├── queue_schema.rb
│   └── seeds.rb
├── lib
│   └── tasks
├── log
│   └── development.log
├── public
│   ├── 400.html
│   ├── 404.html
│   ├── 406-unsupported-browser.html
│   ├── 422.html
│   ├── 500.html
│   ├── icon.png
│   ├── icon.svg
│   └── robots.txt
├── script
├── storage
├── test
│   ├── application_system_test_case.rb
│   ├── controllers
│   ├── fixtures
│   │   └── files
│   ├── helpers
│   ├── integration
│   ├── mailers
│   ├── models
│   ├── system
│   └── test_helper.rb
├── tmp
│   ├── cache
│   │   └── bootsnap
│   │       ├── compile-cache-iseq
│   │       │   ├── 00
.   .       .   .
.   .       .   .
.   .       .   .
│   │       │   └── ff
│   │       └── load-path-cache
│   ├── local_secret.txt
│   ├── pids
│   └── storage
└── vendor
    └── javascript
]

# 2 # Rails Server
% bin/rails server

# Terminal Window # curl # open
% curl http://127.0.0.1:3000/
% open http://127.0.0.1:3000/

# Original Terminal Window 
<control + c>

===========================================================================================================================

# Database Model

===========================================================================================================================

# 1 # Creating a Database Model
% bin/rails generate model Product name:string
[
      invoke  active_record
      create    db/migrate/20250204045540_create_products.rb
      create    app/models/product.rb
      invoke    test_unit
      create      test/models/product_test.rb
      create      test/fixtures/products.yml
]

# db/migrate/<timestamp>_create_products.rb
% cat db/migrate/20250204045540_create_products.rb
[
class CreateProducts < ActiveRecord::Migration[8.0]
  def change
    create_table :products do |t|
      t.string :name

      t.timestamps
    end
  end
end
]

# Active Record Model
% cat app/models/product.rb
[
class Product < ApplicationRecord
end
]

# 2 # Running Migrations
% bin/rails db:migrate

===========================================================================================================================

# Active Record 

===========================================================================================================================

# 1 # Rails Console # Rails.version # RUBY_VERSION # RUBY_DESCRIPTION
Loading development environment (Rails 8.0.1)
store(dev)> Rails.version
=> "8.0.1"
store(dev)> RUBY_VERSION
=> "3.4.1"
store(dev)> RUBY_DESCRIPTION
=> "ruby 3.4.1 (2024-12-25 revision 48d4efcb85) +YJIT +PRISM [arm64-darwin24]"

# 2 # Active Record Model
store(dev)> Product.column_names
=> ["id", "name", "created_at", "updated_at"]]

# 3 # Creating Records
store(dev)> product = Product.new(name: "Bloomberg")
=> #<Product:0x000000010dc302e0 id: nil, name: "Bloomberg", created_at: nil, updated_at: nil>

# 4 # Save Record
store(dev)> product.save
  TRANSACTION (0.3ms)  BEGIN immediate TRANSACTION /*application='Store'*/
  Product Create (6.0ms)  INSERT INTO "products" ("name", "created_at", "updated_at") VALUES ('Bloomberg', '2025-02-04 05:02:12.584379', '2025-02-04 05:02:12.584379') RETURNING "id" /*application='Store'*/
  TRANSACTION (1.4ms)  COMMIT TRANSACTION /*application='Store'*/
=> true

# 5 # Rails updates the object in memory with the database record id along with the created_at and updated_at timestamps
store(dev)> product
=> 
#<Product:0x000000010dc302e0
 id: 1,
 name: "Bloomberg",
 created_at: "2025-02-04 05:02:12.584379000 +0000",
 updated_at: "2025-02-04 05:02:12.584379000 +0000">

# 6 # Similar to save, create to instantiate and save an Active Record object in a single call
store(dev)> Product.create(name: "GitHub")
  TRANSACTION (2.9ms)  BEGIN immediate TRANSACTION /*application='Store'*/
  Product Create (11.1ms)  INSERT INTO "products" ("name", "created_at", "updated_at") VALUES ('GitHub', '2025-02-04 05:08:45.229133', '2025-02-04 05:08:45.229133') RETURNING "id" /*application='Store'*/
  TRANSACTION (1.1ms)  COMMIT TRANSACTION /*application='Store'*/
=> 
#<Product:0x000000010c5ae8a0
 id: 2,
 name: "GitHub",
 created_at: "2025-02-04 05:08:45.229133000 +0000",
 updated_at: "2025-02-04 05:08:45.229133000 +0000">

# 7 # Querying Records
store(dev)> Product.all
  Product Load (1.6ms)  SELECT "products".* FROM "products" /* loading for pp */ LIMIT 11 /*application='Store'*/
=> 
[#<Product:0x000000010c546548
  id: 1,
  name: "Bloomberg",
  created_at: "2025-02-04 05:02:12.584379000 +0000",
  updated_at: "2025-02-04 05:02:12.584379000 +0000">,
 #<Product:0x000000010c546408
  id: 2,
  name: "GitHub",
  created_at: "2025-02-04 05:08:45.229133000 +0000",
  updated_at: "2025-02-04 05:08:45.229133000 +0000">]

# 8 # Filtering & Ordering Records
store(dev)> Product.where(name: "Bloomberg")
  Product Load (0.3ms)  SELECT "products".* FROM "products" WHERE "products"."name" = 'Bloomberg' /* loading for pp */ LIMIT 11 /*application='Store'*/
=> 
[#<Product:0x00000001086bd718
  id: 1,
  name: "Bloomberg",
  created_at: "2025-02-04 05:02:12.584379000 +0000",
  updated_at: "2025-02-04 05:02:12.584379000 +0000">]

# 9 # Order(name: :asc) to sort records by name in ascending alphabetical order by name
# Or
# Order(name: :desc) to sort records by name in descending alphabetical order by name
store(dev)> Product.order(name: :desc)
  Product Load (0.6ms)  SELECT "products".* FROM "products" /* loading for pp */ ORDER BY "products"."name" DESC LIMIT 11 /*application='Store'*/
=> 
[#<Product:0x00000001086ba298
  id: 2,
  name: "GitHub",
  created_at: "2025-02-04 05:08:45.229133000 +0000",
  updated_at: "2025-02-04 05:08:45.229133000 +0000">,
 #<Product:0x00000001086ba158
  id: 1,
  name: "Bloomberg",
  created_at: "2025-02-04 05:02:12.584379000 +0000",
  updated_at: "2025-02-04 05:02:12.584379000 +0000">]

# 10 # Finding Records
store(dev)> Product.find(1)
  Product Load (0.1ms)  SELECT "products".* FROM "products" WHERE "products"."id" = 1 LIMIT 1 /*application='Store'*/
=> 
#<Product:0x00000001086b6198
 id: 1,
 name: "Bloomberg",
 created_at: "2025-02-04 05:02:12.584379000 +0000",
 updated_at: "2025-02-04 05:02:12.584379000 +0000">

# 11 # Updating Records # find
store(dev)> product = Product.find(1)
  Product Load (1.1ms)  SELECT "products".* FROM "products" WHERE "products"."id" = 1 LIMIT 1 /*application='Store'*/
=> 
#<Product:0x00000001086b3358
...

# 12 # Updating Records # update
store(dev)> product.update(name: "Zendesk")
  TRANSACTION (0.1ms)  BEGIN immediate TRANSACTION /*application='Store'*/
  Product Update (1.7ms)  UPDATE "products" SET "name" = 'Zendesk', "updated_at" = '2025-02-04 05:15:31.331471' WHERE "products"."id" = 1 /*application='Store'*/
  TRANSACTION (0.1ms)  COMMIT TRANSACTION /*application='Store'*/
=> true

# 13 # Confirm the update of the name of the "T-Shirt" product to "Shoes" in the database by Product.all
store(dev)> Product.all
  Product Load (0.2ms)  SELECT "products".* FROM "products" /* loading for pp */ LIMIT 11 /*application='Store'*/
=> 
[#<Product:0x000000010861c458
  id: 1,
  name: "Zendesk",
  created_at: "2025-02-04 05:02:12.584379000 +0000",
  updated_at: "2025-02-04 05:15:31.331471000 +0000">,
 #<Product:0x000000010861c318
  id: 2,
  name: "GitHub",
  created_at: "2025-02-04 05:08:45.229133000 +0000",
  updated_at: "2025-02-04 05:08:45.229133000 +0000">]

# 14 # Revert the name "Zendesk" to "Bloomberg" # find
store(dev)> product = Product.find(1)
  Product Load (0.2ms)  SELECT "products".* FROM "products" WHERE "products"."id" = 1 LIMIT 1 /*application='Store'*/
=> 
#<Product:0x000000010c5af520
...

# 15 # Revert the name "Zendesk" to "Bloomberg" # update
store(dev)> product.name = "Bloomberg"
=> "Bloomberg"

# 16 # Deleting Records
store(dev)> product.destroy
  TRANSACTION (0.6ms)  BEGIN immediate TRANSACTION /*application='Store'*/
  Product Destroy (1.3ms)  DELETE FROM "products" WHERE "products"."id" = 1 /*application='Store'*/
  TRANSACTION (0.1ms)  COMMIT TRANSACTION /*application='Store'*/
=> 
#<Product:0x000000010c5af520
 id: 1,
 name: "Bloomberg",
 created_at: "2025-02-04 05:02:12.584379000 +0000",
 updated_at: "2025-02-04 05:15:31.331471000 +0000">

# 17 # Confirm the deleted the T-Shirt product from our database, with Product.all to see that it only returns Pants
store(dev)> Product.all
  Product Load (0.3ms)  SELECT "products".* FROM "products" /* loading for pp */ LIMIT 11 /*application='Store'*/
=> 
[#<Product:0x000000010c5a6ba0
  id: 2,
  name: "GitHub",
  created_at: "2025-02-04 05:08:45.229133000 +0000",
  updated_at: "2025-02-04 05:08:45.229133000 +0000">]

# 18 # Validations # Add a presence validation to the Product model
# Terminal New Window # validates :name, presence: true # Reload!
% nano app/models/product.rb
[
class Product < ApplicationRecord
  validates :name, presence: true
end
]
% cat app/models/product.rb

# 19 # Reload!
# Original Terminal Window
store(dev)> reload!
Reloading...
=> nil

# 20 # Create a Product without a name in the Rails console for false # new
store(dev)> product = Product.new
=> #<Product:0x000000010861c6d8 id: nil, name: nil, created_at: nil, updated_at: nil>

# 21 # Create a Product without a name in the Rails console for false # save
store(dev)> product.save
=> false

# 22 # Errors # List of errors generated by validations, call errors on the instance that returns an ActiveModel::Errors
store(dev)> product.errors
=> #<ActiveModel::Errors [#<ActiveModel::Error attribute=name, type=blank, options={}>]>

# 23 # Errors # Generate friendly error messages 
store(dev)> product.errors.full_messages
=> ["Name can't be blank"]

# 24 # Exit
store(dev)> exit

===========================================================================================================================

# CRUD 

===========================================================================================================================

# 1 # CRUD Routes 
[
get "/products", to: "products#index"

get "/products/new", to: "products#new"
post "/products", to: "products#create"

get "/products/:id", to: "products#show"

get "/products/:id/edit", to: "products#edit"
patch "/products/:id", to: "products#update"
put "/products/:id", to: "products#update"

delete "/products/:id", to: "products#destroy"
]
# Resource Routes
# Original Terminal Window
% nano config/routes.rb
[
Rails.application.routes.draw do
  resources :products
end
]
% cat config/routes.rb

# 2 # Routes Command # Display all the routes
% bin/rails routes
[
...
      Prefix Verb   URI Pattern                     	Controller#Action
                    /assets                         	Propshaft::Server
    products GET    /products(.:format)             	products#index
             POST   /products(.:format)             	products#create
 new_product GET    /products/new(.:format)         	products#new
edit_product GET    /products/:id/edit(.:format)	products#edit
     product GET    /products/:id(.:format)         	products#show
             PATCH  /products/:id(.:format)         	products#update
             PUT    /products/:id(.:format)         	products#update
             DELETE /products/:id(.:format)         	products#destroy
...
]

# 3 # Controllers & Actions
# Generate ProductsController with an index action
# Having set up routes, skip that part of the generator using a flag
% bin/rails generate controller Products index --skip-routes
[
      create  app/controllers/products_controller.rb
      invoke  erb
      create    app/views/products
      create    app/views/products/index.html.erb
      invoke  test_unit
      create    test/controllers/products_controller_test.rb
      invoke  helper
      create    app/helpers/products_helper.rb
      invoke    test_unit
]

# 4 # Rails root route should render the Products index action by adding # root "products#index"
% nano config/routes.rb
[
Rails.application.routes.draw do
  root "products#index"
  resources :products
end
]   
% cat config/routes.rb 

# 5 # index
% nano app/views/products/index.html.erb 
[
<h1>Ruby on Rails App</h1>

<h2>Products</h2>

<div id="products">
  <% @products.each do |product| %>
      <ul><li><h3><%= link_to product.name, product %></h3></li></ul>
  <% end %>
</div>

<%= link_to "Add", new_product_path %>
]
% cat app/views/products/index.html.erb

# 6 # show
% nano app/views/products/show.html.erb
[
<h1>Ruby on Rails App</h1>

<h2>Name</h2>
  
<h3><%= @product.name %></h3>
  
<%= link_to "Back", products_path %> | <%= link_to "Edit", edit_product_path(@product) %>
  
<p><%= button_to "Delete", @product, method: :delete, data: { turbo_confirm: "Are you sure?" } %></p>
]
% cat app/views/products/show.html.erb

# 7 # new
% nano app/views/products/new.html.erb
[
<h1>Ruby on Rails App</h1>

<h2>Add</h2>

<h3><%= render "form", product: @product %></h3>
<%= link_to "Cancel", products_path %>
]
% cat app/views/products/new.html.erb

# 8 # edit
% nano app/views/products/edit.html.erb
[
<h1>Ruby on Rails App</h1>

<h2>Edit</h2>

<h3><%= render "form", product: @product %></h3>

<p><%= link_to "Cancel", @product %></p>
]
% cat app/views/products/edit.html.erb

# 9 # _form
# Feature called "partials" help reuse a view in multiple places
% nano app/views/products/_form.html.erb
[
<%= form_with model: product do |form| %>
  <%= form.label :name %>
  <%= form.text_field :name %>
  <%= form.submit %></p>
<% end %>
]
% cat app/views/products/_form.html.erb

# 10 #  CRUD # NB # Handling Errors # redirect_to @product
% nano app/controllers/products_controller.rb
[
class ProductsController < ApplicationController
  before_action :set_product, only: %i[ show edit update destroy ]

  def index
    @products = Product.all
  end

  def show
  end

  def new
    @product = Product.new
  end

  def create
    @product = Product.new(product_params)
    if @product.save
      redirect_to @product
    else
      render :new, status: :unprocessable_entity
    end
  end

  def edit
  end

  def update
    if @product.update(product_params)
      redirect_to @product
    else
      render :edit, status: :unprocessable_entity
    end
  end

  def destroy
    @product.destroy
    redirect_to products_path
  end

  private
    def set_product
      @product = Product.find(params[:id])
    end

    def product_params
      params.expect(product: [ :name ])
    end
end
]
% cat app/controllers/products_controller.rb

# 11 # Rails Server   
% bin/rails server   

# 12 # Terminal Window # curl # open
% curl http://127.0.0.1:3000/products/
% open http://127.0.0.1:3000/products/

***************************************************************************************************************************

# Ruby on Rails # www.ruby-lang.org # https://github.com/ruby/www.ruby-lang.org

***************************************************************************************************************************

% ruby --version

% gem --version

% bundler --version

% bundle --version

% rails --version

% bundle config set --local without production

% bundle install

% bundle exec rake build

% bundle exec rake serve

# Terminal Window # curl # open
% curl http://127.0.0.1:4000/
% open http://127.0.0.1:4000/

***************************************************************************************************************************

# Ruby on Rails # website # https://github.com/rails/website

***************************************************************************************************************************

% ruby --version

% gem --version

% bundler --version

% bundle --version

% rails --version

% bundle install

% jekyll --version
[
You have already activated bigdecimal 3.1.9, but your Gemfile requires bigdecimal 3.1.8. Prepending `bundle exec` to your command may solve this.
]

% bundle update

[
% bundle exec jekyll serve --livereload
]
% bundle exec jekyll serve

# Terminal Window # curl # open
% curl http://127.0.0.1:35729/
% open http://127.0.0.1:35729/

% curl http://127.0.0.1:4000/
% open http://127.0.0.1:4000/

***************************************************************************************************************************

# Ruby on Rails # sdoc # https://github.com/rails/sdoc

***************************************************************************************************************************

% ruby --version

% gem --version

% bundler --version

% bundle --version

% rails --version

% gem install sdoc

% sdoc -o doc/rails -T direct rails

% bundle install

% bundle exec rake test:rails 

% bundle exec rackup config.ru

# Terminal Window # curl # open
% curl http://localhost:9292/
% open http://localhost:9292/

# Origonal Terminal Window
<control + c>

[
% bundle clean
Cleaning all the gems on your system is dangerous! If you're sure you want to remove every system gem not in this bundle, run `bundle clean
--force`.
]
% bundle clean --force

% bundle exec rake test:ruby

% bundle exec rackup config.ru

***************************************************************************************************************************

# Ruby on Rails # Docked Rails CLI # https://github.com/rails/docked

***************************************************************************************************************************

% ruby --version

% gem --version

% bundler --version

% bundle --version

% rails --version

[
% export PATH="/Applications/Docker.app/Contents/Resources/bin/:/Applications/Docker.app/Contents/Resources/cli-plugins/":$PATH
]
% docker --version

% docker version

% docker volume create ruby-bundle-cache

% alias docked='docker run --rm -it -v ${PWD}:/rails -u $(id -u):$(id -g) -v ruby-bundle-cache:/bundle -p 3000:3000 ghcr.io/rails/cli'

[
# https://github.com/settings/tokens
# Token Till Focus
% export CR_PAT=****************************************
% echo $CR_PAT | docker login ghcr.io -u RajaniCode --password-stdin
]

% docked rails new weblog

% cd weblog

% docked rails generate scaffold post title:string body:text

% docked rails db:migrate

% docked rails server

# Terminal Window # curl # open
% curl http://0.0.0.0:3000/
[
% open -n -a "Google Chrome" --args "--new-window" http://0.0.0.0:3000/
]
% curl http://localhost:3000/
% open http://localhost:3000/
% curl http://localhost:3000/posts/
% open http://localhost:3000/posts/

***************************************************************************************************************************

# Ruby on Rails # App 8 # ruby 3.4.1 # rails 8.0.1 # mutex_m 0.3.0

***************************************************************************************************************************

% ruby --version

% gem --version

% bundler --version

% bundle --version

% rake --version

% rails --version

% nano Gemfile 
[
source "https://rubygems.org"
git_source(:github) { |repo| "https://github.com/#{repo}.git" }

ruby "3.4.1"

gem "rails",                      "8.0.1"
gem "mutex_m",                    "0.3.0"
gem "image_processing",           "1.12.2"
gem "active_storage_validations", "0.9.8"
gem "bcrypt",                     "3.1.18"
gem "faker",                      "2.21.0"
gem "will_paginate",              "3.3.1"
gem "bootstrap-will_paginate",    "1.0.0"
gem "bootstrap-sass",             "3.4.1"
gem "sassc-rails",                "2.1.2"
gem "sprockets-rails",            "3.4.2"
gem "importmap-rails",            "1.1.0"
gem "turbo-rails",                "1.1.1"
gem "stimulus-rails",             "1.0.4"
gem "jbuilder"
gem "puma"
gem "bootsnap",                   "1.12.0", require: false

group :development, :test do
  gem "sqlite3", "2.1.0"
end

group :development do
  gem "web-console", "4.2.0"
end

group :test do
  gem "capybara",                 "3.37.1"
  gem "selenium-webdriver",       "4.2.0"
  gem "webdrivers",               "5.0.0"
  gem "rails-controller-testing", "1.0.5"
  gem "minitest",                 "5.15.0"
  gem "minitest-reporters",       "1.5.0"
  gem "guard",                    "2.18.0"
  gem "guard-minitest",           "2.4.6"
  gem 'simplecov',                "0.21.2"
end

group :production do
  gem "pg",         "1.3.5"
  gem "aws-sdk-s3", "1.114.0", require: false
end

# Windows does not include zoneinfo files, so bundle the tzinfo-data gem.
# Uncomment the following line if you're running Rails
# on a native Windows system:
# gem "tzinfo-data", platforms: %i[ mingw mswin x64_mingw jruby ]
]

% cat Gemfile

% rails --version

% bundle update

# Install the needed gems (while skipping any gems needed only in production)
[
% bundle install --without production
[DEPRECATED] The `--without` flag is deprecated because it relies on being remembered across bundler invocations, which bundler will no longer do in future versions. Instead please use `bundle config set without 'production'`, and stop using this flag
]
% bundle config set without 'production'

% bundle install

[
% yarn install --check-files
]
# Install JavaScript dependencies
% yarn install

# Migrate the database:
% rails db:migrate

# Run the test suite to verify
[
% rake test
]
% rails test

# Seed the database with sample users and run the app in a local server
[
% rake db:seed
]
% rails db:seed

# Run the app in a local server
% rails server

# Terminal Window # curl # open
% curl http://127.0.0.1:3000/
% open http://127.0.0.1:3000/

***************************************************************************************************************************

# Ruby on Rails # App 7 # ruby 3.3.6 # rails 7.0.4 # mutex_m 0.3.0 # bigdecimal 3.1.9 # concurrent-ruby 1.3.4

***************************************************************************************************************************

% ruby --version

% gem --version

% bundler --version

% bundle --version

% rake --version

% rails --version

% nano Gemfile
[
source "https://rubygems.org"
git_source(:github) { |repo| "https://github.com/#{repo}.git" }

ruby "3.3.6"

gem "rails",                      "7.0.4"
gem "mutex_m",                    "0.3.0"
gem "bigdecimal",                 "3.1.9"
gem "image_processing",           "1.12.2"
gem "active_storage_validations", "0.9.8"
gem "bcrypt",                     "3.1.18"
gem "faker",                      "2.21.0"
gem "will_paginate",              "3.3.1"
gem "bootstrap-will_paginate",    "1.0.0"
gem "bootstrap-sass",             "3.4.1"
gem "sassc-rails",                "2.1.2"
gem "sprockets-rails",            "3.4.2"
gem "importmap-rails",            "1.1.0"
gem "turbo-rails",                "1.1.1"
gem "stimulus-rails",             "1.0.4"
gem "jbuilder",                   "2.11.5"
gem "puma",                       "5.6.4"
gem "bootsnap",                   "1.12.0", require: false

group :development, :test do
  gem "sqlite3", "1.7.3"
  gem "debug",   "1.5.0", platforms: %i[ mri mingw x64_mingw ]
end

group :development do
  gem "web-console", "4.2.0"
end

group :test do
  gem "capybara",                 "3.37.1"
  gem "selenium-webdriver",       "4.2.0"
  gem "webdrivers",               "5.0.0"
  gem "rails-controller-testing", "1.0.5"
  gem "minitest",                 "5.15.0"
  gem "minitest-reporters",       "1.5.0"
  gem "guard",                    "2.18.0"
  gem "guard-minitest",           "2.4.6"
  gem 'simplecov',                "0.21.2"
end

group :production do
  gem "pg",         "1.3.5"
  gem "aws-sdk-s3", "1.114.0", require: false
end

# Windows does not include zoneinfo files, so bundle the tzinfo-data gem.
# Uncomment the following line if you're running Rails
# on a native Windows system:
# gem "tzinfo-data", platforms: %i[ mingw mswin x64_mingw jruby ]
]

% cat Gemfile

[
% rbenv --version

% rbenv install 3.3.6
[
NOTE: to activate this Ruby version as the new default, run: rbenv global 3.3.6
]

% rbenv local 3.3.6

% ls .ruby-version

% cat .ruby-version
[
3.3.6
]

% gem env home
[
/opt/homebrew/Cellar/ruby/3.4.1/lib/ruby/gems/3.4.0
]

% export PATH="$HOME/.rbenv/bin:$PATH"

% eval "$(rbenv init -)"

% ruby --version
]

[
% bundle add concurrent-ruby -v 1.3.4
]
% rails --version

% bundle update

# Install the needed gems (while skipping any gems needed only in production)
[
% bundle install --without production
[DEPRECATED] The `--without` flag is deprecated because it relies on being remembered across bundler invocations, which bundler will no longer do in future versions. Instead please use `bundle config set without 'production'`, and stop using this flag
]
[
% bundle config set without 'production'
]

% bundle install

[
% yarn install --check-files
]
# Install JavaScript dependencies
% yarn install

# Migrate the database
% rails db:migrate

# Run the test suite to verify
[
% rake test
]
% rails test

# Seed the database with sample users and run the app in a local server
[
% rake db:seed
]
% rails db:seed

# Run the app in a local server
% rails server

# Terminal Window # curl # open
% curl http://127.0.0.1:3000/
% open http://127.0.0.1:3000/

# Original Terminal Window
<control + c>

# Database Model
% bin/rails generate model Product name:string

***************************************************************************************************************************

# Docker # Cleanup

***************************************************************************************************************************

% docker version

% docker container list --all
% docker image list --all

[
% docker ps --all --quiet
% docker stop $(docker ps -a -q)
% docker rm $(docker ps -a -q) --force
]

% docker container list --all --quiet
% docker stop $(docker container list -a -q)
% docker rm $(docker container list -a -q) --force
% docker container prune

% docker image list --all --quiet
% docker rmi $(docker image list -a -q) --force 
% docker image prune --all

% docker volume list --quiet
% docker volume rm $(docker volume list --quiet) --force
% docker volume prune --all

% docker network list --quiet --filter "type=custom"
% docker network rm $(docker network list --quiet --filter "type=custom")
% docker network prune

% docker system info
% docker system prune --all --volumes

***************************************************************************************************************************
###########################################################################################################################


// Credits
/*
https://rubyonrails.org/
https://ruby-lang.org/
https://rubygems.org/
https://bundler.io/
https://yarnpkg.com/
https://rbenv.org/
https://jekyllrb.com/
*/