ruby - Rails 4 Heroku Deployment error: Precompiling assets failed - cannot import/find boostrap file -


my app works locally; however, when try deploy heroku following error:

remote:        sass::syntaxerror: file import not found or unreadable: bootstrap/dist/css/bootstrap. remote:        (sass):18 ..... remote:        /tmp/build_c0c6ec9ea8e1ea183aca6e660993c246/vendor/bundle/ruby/2.2.0/gems/sprockets-rails-3.0.1/lib/sprockets/rails/task.rb:67:in `block (2 levels) in define' remote:         sass::syntaxerror: file import not found or unreadable: bootstrap/dist/css/bootstrap. ..... remote:        tasks: top => assets:precompile remote:        (see full trace running task --trace) remote:  ! remote:  !     precompiling assets failed. remote:  !

here application.scss, , gemfile files in order:

application.scss:

 *= require_self  *= require custom  *= require template  */  @import "bootstrap-sprockets";  @import "bootstrap";

gemfile:

# bundle edge rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '4.2.3' # specify rake version gem 'rake' # use postgresql database active record gem 'pg' # use scss stylesheets gem 'sass-rails', '~> 5.0' # use bootstrap sass? gem 'bootstrap-sass', '>= 3.3.6' # use uglifier compressor javascript assets gem 'uglifier', '>= 1.3.0' # use coffeescript .coffee assets , views gem 'coffee-rails', '~> 4.1.0' # see https://github.com/rails/execjs#readme more supported runtimes # gem 'therubyracer', platforms: :ruby  # use jquery javascript library gem 'jquery-rails' # turbolinks makes following links in web application faster. read more: https://github.com/rails/turbolinks gem 'turbolinks' # build json apis ease. read more: https://github.com/rails/jbuilder gem 'jbuilder', '~> 2.0' # bundle exec rake doc:rails generates api under doc/api. gem 'sdoc', '~> 0.4.0', group: :doc  # user authentication , registration gem 'devise'  # font awesome , simple form gem 'simple_form'  # static pages gem 'high_voltage'  gem 'paperclip', '~> 3.5.3' # github: 'thoughtbot/paperclip  gem 'closure_tree'  # use activemodel has_secure_password # gem 'bcrypt', '~> 3.1.7'  # use unicorn app server # gem 'unicorn'  # use capistrano deployment # gem 'capistrano-rails', group: :development  group :development, :test   # call 'byebug' anywhere in code stop execution , debugger console   gem 'byebug'    # access irb console on exception pages or using <%= console %> in views   gem 'web-console', '~> 2.0'    gem 'rspec-rails'   gem 'capybara'   gem 'launchy' end  # windows not include zoneinfo files, bundle tzinfo-data gem gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

and vendor/assets folder looks this: enter image description here

update - changes made application.scss not being pushed heroku. assume because when take out requires , imports, heroku precompile still seems looking (and not finding) bootstrap !

any appreciated - let me know if have missed out anything!

thanks in advance.

i remember error when used work on ror. issue has production.rb file inside config folder.

make sure line made true.

config.assets.initialize_on_precompile = true

rails comes bundled task compile asset manifests , other files in pipeline.

compiled assets written location specified in config.assets.prefix. default, /assets directory.


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