fixed gitignore

.gitignore

@@ -19,3 +19,4 @@
 
 
 # Ignore Byebug command history file.
 # Ignore Byebug command history file.
 .byebug_history
 .byebug_history
+/config/secrets.yml

Gemfile

@@ -30,6 +30,8 @@ gem 'jbuilder', '~> 2.5'
 # Use Capistrano for deployment
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
 # gem 'capistrano-rails', group: :development
 
 
+gem 'bootstrap-sass', '~> 3.3.6'
+
 group :development, :test do
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platform: :mri
   gem 'byebug', platform: :mri

Gemfile.lock

@@ -39,6 +39,11 @@ GEM
       minitest (~> 5.1)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       tzinfo (~> 1.1)
     arel (7.1.4)
     arel (7.1.4)
+    autoprefixer-rails (6.4.1)
+      execjs
+    bootstrap-sass (3.3.6)
+      autoprefixer-rails (>= 5.2.1)
+      sass (>= 3.3.4)
     builder (3.2.2)
     builder (3.2.2)
     byebug (9.0.6)
     byebug (9.0.6)
     coffee-rails (4.2.1)
     coffee-rails (4.2.1)
@@ -154,6 +159,7 @@ PLATFORMS
   ruby
   ruby
 
 
 DEPENDENCIES
 DEPENDENCIES
+  bootstrap-sass (~> 3.3.6)
   byebug
   byebug
   coffee-rails (~> 4.2)
   coffee-rails (~> 4.2)
   jbuilder (~> 2.5)
   jbuilder (~> 2.5)

app/assets/javascripts/main.coffee

+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/application.css

@@ -13,3 +13,4 @@
  *= require_tree .
  *= require_tree .
  *= require_self
  *= require_self
  */
  */
+

app/assets/stylesheets/main.scss

+// Place all the styles related to the main controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/
+
+
+@import "bootstrap-sprockets";
+@import "bootstrap";

app/controllers/main_controller.rb

+class MainController < ApplicationController
+
+  def index
+  end
+
+end

app/helpers/main_helper.rb

+module MainHelper
+end

app/views/main/index.html.erb

+<div>
+  <h1>Hello</h1>
+</div>

config/routes.rb

 Rails.application.routes.draw do
 Rails.application.routes.draw do
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+  root "main#index"
 end
 end

config/secrets.yml

-# Be sure to restart your server when you modify this file.
-
-# Your secret key is used for verifying the integrity of signed cookies.
-# If you change this key, all old signed cookies will become invalid!
-
-# Make sure the secret is at least 30 characters and all random,
-# no regular words or you'll be exposed to dictionary attacks.
-# You can use `rails secret` to generate a secure secret key.
-
-# Make sure the secrets in this file are kept private
-# if you're sharing your code publicly.
-
-development:
-  secret_key_base: a5cc185b77c05ac495df9f59af9bf9f27e7d25459abc2c9e3a571497a664ed95662259af3365ac3e2d53b2addc788c816f6a1a192190a9eb489f7c3ff27fb1be
-
-test:
-  secret_key_base: 575c19547a77215866ea3a61dba976dd3a0d98d8373f2cd340550118cbe4e46ddcb62efb21535b272cd4fad5410982fbeeab8171ef5d21be69fdb0363f8c6025
-
-# Do not keep production secrets in the repository,
-# instead read values from the environment.
-production:
-  secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>

db/schema.rb

+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 0) do
+
+end

test/controllers/main_controller_test.rb

+require 'test_helper'
+
+class MainControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end