Bootstrap 主题 js 在生产中不起作用，但在开发中起作用（Rails）

Question

我有一个网站在开发模式下运行良好，但在生产中却无法运行。主题的 JavaScript (admin-lte) 在生产环境中似乎会中断。

我已经执行了bundle exec rake assets:precompile RAILS_ENV=production 命令并将config.assets.compile = false 更改为true。

我也尝试过添加config.assets.precompile = ['*.js', '*.css', '*.css.erb']，但它不起作用。

这些是我现在的文件。

宝石文件

gem 'rails', '4.1.8'
# Use sqlite3 as the database for Active Record
gem 'sqlite3'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.3'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .js.coffee assets and views
gem 'coffee-rails', '~> 4.0.0'
# gem 'therubyracer',  platforms: :ruby

# Use jquery as the JavaScript library
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0',          group: :doc

# 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

# Use debugger
# gem 'debugger', group: [:development, :test]

# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin]

gem 'sorcery'
gem "bcrypt-ruby", :require => "bcrypt"
gem "omniauth"
gem "omniauth-twitter"
gem "omniauth-flickr"
gem 'omniauth-bitly'
gem "omniauth-google-oauth2"
gem 'omniauth-linkedin'
gem 'omniauth-vimeo'
gem 'omniauth-facebook'
gem 'rails-i18n'
gem 'cancancan', '~> 1.10'
gem "rolify"
gem 'adminlte-rails'
gem "bower-rails", "~> 0.9.2"
gem 'ionicons-rails'
gem 'jquery-ui-rails'
gem 'carrierwave'
gem 'clockwork'
gem 'delayed_job_active_record'
gem 'foreman'
gem 'chartjs-ror'
gem 'remotipart'
gem 'mysql2'
gem 'feedjira'
gem 'rack-ssl-enforcer'
gem 'rails-erd'
gem 'railroady'

生产.rb

    Rails.application.configure do
  # Settings specified here will take precedence over those in config/application.rb.

  # Code is not reloaded between requests.
  config.cache_classes = true

  # Eager load code on boot. This eager loads most of Rails and
  # your application in memory, allowing both threaded web servers
  # and those relying on copy on write to perform better.
  # Rake tasks automatically ignore this option for performance.
  config.eager_load = true

  # Full error reports are disabled and caching is turned on.
  config.consider_all_requests_local       = false
  config.action_controller.perform_caching = true

  # Enable Rack::Cache to put a simple HTTP cache in front of your application
  # Add `rack-cache` to your Gemfile before enabling this.
  # For large-scale production use, consider using a caching reverse proxy like nginx, varnish or squid.
  # config.action_dispatch.rack_cache = true

  # Disable Rails's static asset server (Apache or nginx will already do this).
  config.serve_static_assets = false

  # Compress JavaScripts and CSS.
  config.assets.js_compressor = :uglifier
  # config.assets.css_compressor = :sass

  # Do not fallback to assets pipeline if a precompiled asset is missed.
  config.assets.compile = true #ponía FALSE

  # Generate digests for assets URLs.
  config.assets.digest = true
  config.assets.debug = false

  # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb

  # Specifies the header that your server uses for sending files.
  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx

  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
  # config.force_ssl = true

  # Set to :debug to see everything in the log.
  config.log_level = :info

  # Prepend all log lines with the following tags.
  # config.log_tags = [ :subdomain, :uuid ]

  # Use a different logger for distributed setups.
  # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)

  # Use a different cache store in production.
  # config.cache_store = :mem_cache_store

  # Enable serving of images, stylesheets, and JavaScripts from an asset server.
  # config.action_controller.asset_host = "http://assets.example.com"

  # Ignore bad email addresses and do not raise email delivery errors.
  # Set this to true and configure the email server for immediate delivery to raise delivery errors.
  # config.action_mailer.raise_delivery_errors = false

  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
  # the I18n.default_locale when a translation cannot be found).
  config.i18n.fallbacks = true

  # Send deprecation notices to registered listeners.
  config.active_support.deprecation = :notify

  # Disable automatic flushing of the log to improve performance.
  # config.autoflush_log = false

  # Use default logging formatter so that PID and timestamp are not suppressed.
  config.log_formatter = ::Logger::Formatter.new

  # Do not dump schema after migrations.
  config.active_record.dump_schema_after_migration = false
end

我将不胜感激任何帮助或想法。谢谢。

Answer 1

在生产环境中，rails 服务器不提供 css 和 js 等静态文件，如果找不到编译的 css 或 js，rails 不会回退到资产管道。这些行为在您的 config/environments/production.rb 中设置：

config.serve_static_assets = false
config.assets.compile = false

您可以暂时将它们设置为true，但如果您真的想让您的rails 应用程序在线，它会降低性能。

推荐的方式是手动编译css和js:RAILS_ENV=production rake assets:precompile，然后让Nginx或Apache为这些静态文件提供服务，并将其他请求反向代理到你的rails服务器。