我正在尝试在生产模式下测试我的Rails 5.1网站。我已经预编译了资产，并设置了这个配置选项：config.public_file_server.enabled = true
问题在于，即使我仔细检查了文件是否存在并正确编译，Puma仍然以200状态提供零字节长度的application.css和application.js。
完整的config/environments/production.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
# Attempt to read encrypted secrets from `config/secrets.yml.enc`.
# Requires an encryption key in `ENV["RAILS_MASTER_KEY"]` or
# `config/secrets.yml.key`.
config.read_encrypted_secrets = true
# Disable serving static files from the `/public` folder by default since
# Apache or NGINX already handles this.
config.public_file_server.enabled = true
# 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 = false
# `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb
# Enable serving of images, stylesheets, and JavaScripts from an asset server.
# config.action_controller.asset_host = 'http://assets.example.com'
# 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
# Mount Action Cable outside main process or domain
# config.action_cable.mount_path = nil
# config.action_cable.url = 'wss://example.com/cable'
# config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
# Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
# config.force_ssl = true
# Use the lowest log level to ensure availability of diagnostic information
# when problems arise.
config.log_level = (ENV['DEBUG'].present? ? :debug : :info)
# Prepend all log lines with the following tags.
config.log_tags = [ :request_id ]
# Use a different cache store in production.
# config.cache_store = :mem_cache_store
# Use a real queuing backend for Active Job (and separate queues per environment)
# config.active_job.queue_adapter = :resque
# config.active_job.queue_name_prefix = "johncannon_#{Rails.env}"
config.action_mailer.perform_caching = false
# 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
# Use default logging formatter so that PID and timestamp are not suppressed.
config.log_formatter = ::Logger::Formatter.new
# Use a different logger for distributed setups.
# require 'syslog/logger'
# config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
if ENV["RAILS_LOG_TO_STDOUT"].present?
logger = ActiveSupport::Logger.new(STDOUT)
logger.formatter = config.log_formatter
config.logger = ActiveSupport::TaggedLogging.new(logger)
end
# Do not dump schema after migrations.
config.active_record.dump_schema_after_migration = false
# [removed: additional ActionMailer configuration]
end