herokuのアプリケーション立上げ方

herokuにてアプリケーションの立ち上げを行いたのですが、
URLへ移行すると下記のような表示がされます！

Heroku | Welcome to your new app!
Refer to the documentation if you need help deploying.

gemは下記のようになってます。
問題が何かわかる方ご教示ください。
よろしくお願いいたします。

gem

source 'https://rubygems.org'

git_source(:github) do |repo_name|
repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
"https://github.com/#{repo_name}.git"
end

Bundle edge Rails instead: gem 'rails', github: 'rails/rails'

gem 'rails', '~> 5.0.6'

Use sqlite3 as the database for Active Record

gem 'sqlite3'

Use Puma as the app server

gem 'puma', '~> 3.0'

Use SCSS for stylesheets

gem 'sass-rails', '~> 5.0'

Use Uglifier as compressor for JavaScript assets

gem 'uglifier', '>= 1.3.0'

Use CoffeeScript for .coffee assets and views

gem 'coffee-rails', '~> 4.2'

See https://github.com/rails/execjs#readme for more supported runtimes

gem 'therubyracer', platforms: :ruby

Use jquery as the JavaScript library

gem 'jquery-rails'

Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks

gem 'turbolinks', '~> 5'

Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder

gem 'jbuilder', '~> 2.5'

Use Redis adapter to run Action Cable in production

gem 'redis', '~> 3.0'

Use ActiveModel has_secure_password

gem 'bcrypt', '~> 3.1.7'

Use Capistrano for deployment

gem 'capistrano-rails', group: :development

group :development, :test do

Call 'byebug' anywhere in the code to stop execution and get a debugger console

gem 'sqlite3', '1.3.13'
gem 'byebug', platform: :mri
end

group :development do

Access an IRB console on exception pages or by using <%= console %> anywhere in the code.

gem 'web-console', '>= 3.3.0'
gem 'listen', '~> 3.0.5'

Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring

gem 'spring'
gem 'spring-watcher-listen', '~> 2.0.0'
end

group :production do
gem 'pg', '0.20.0'
end

Windows does not include zoneinfo files, so bundle the tzinfo-data gem

gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]