Deploy Rails app to Heroku detect app matching no buildpack

Question

This might be a duplicate however, I could not fix it from those answers so any help will be appreciated.

Error Failed to detect app matching no buildpack

After creating the Heroku app I set my buildpack (same error comes with heroku/ruby buildpack)

heroku buildpacks:set https://github.com/heroku/heroku-buildpack-ruby.git

Gemfile and Gemfile.lock are in the root folder.

Added ruby version and rails_12factor gem to Gem file.

PostgreSQL set to production.

ruby "2.3.0"
source 'https://rubygems.org'


# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.2.4'

group :development, :test do
  gem 'sqlite3'
end

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


# 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', '~> 4.1.0'
# 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 following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0', group: :doc

gem 'kaminari'
gem 'soundcloud'
gem 'redis'
gem 'yt', '~> 0.28.0'


# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'

# Use Unicorn as the app server
# gem 'unicorn'

# 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 'byebug'
end

group :development do
  # Access an IRB console on exception pages or by using <%= console %> in views
  gem 'web-console', '~> 2.0'

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

gem 'rails_12factor', group: :production

.gitignore

/.bundle

# Ignore the default SQLite database.
/db/*.sqlite3
/db/*.sqlite3-journal

# Ignore all logfiles and tempfiles.
/log/*
!/log/.keep
/tmp

*.DS_Store

you shouldn't manually need to use the ruby buildpack, it can detect it. Is your rails app at the root of the repo? — max pleaner, Mar 18 '17 at 17:30
@maxple yes, my app is at root `Gemfile README.rdoc app config db log test vendor Gemfile.lock Rakefile bin config.ru lib public tmp` — Nicholas, Mar 18 '17 at 17:32
If I remove the buildpack the following error shows `No default language could be detected for this app.` - that lead me to set manually the buildpack — Nicholas, Mar 18 '17 at 17:36
@maxples, yes everything is committed and ready to be pushed. — Nicholas, Mar 18 '17 at 17:37
Do you have `.gitignore` or `.slugignore` files? And maybe `Gemfile` in any of those files? — Michał Młoźniak, Mar 18 '17 at 18:08
@michal I do have a `.gitignore` file, however GemFile is not included there. I updated the post with the `.gitignore` file — Nicholas, Mar 18 '17 at 18:50
Thank you for your time by [This](http://stackoverflow.com/questions/9305370/rails-3-2-heroku-push-rejected-no-cedar-supported-app-detected) worked for me. Reinitialising the repository worked LOL — Nicholas, Mar 18 '17 at 20:16
If you'd like to mark a question as solved, please do it in the answer box below, not as edits to the question. We have a tick/acceptance system in place, so we don't use [solved] title devices. — halfer, Mar 20 '17 at 00:38

Deploy Rails app to Heroku detect app matching no buildpack

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