我试图在heroku上部署chatapp，但是一旦我部署了它，actioncable就不能工作了，尽管它可以在localhost上工作。我想是因为redis在heroku上的连接不好。有人能帮忙吗？
错误
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gemfile公司

gem 'rails', '~> 5.2.4', '>= 5.2.4.1'

# Use sqlite3 as the database for Active Record

# Use Puma as the app server

gem 'puma', '~> 3.11'

# Use SCSS for stylesheets

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

# Use Uglifier as compressor for JavaScript assets

gem 'uglifier', '>= 1.3.0'

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

# gem 'mini_racer', platforms: :ruby

# Use CoffeeScript for .coffee assets and views

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

# 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'
gem 'semantic-ui-sass'
gem 'jquery-rails'

# Use Redis adapter to run Action Cable in production

# Use ActiveModel has_secure_password

gem 'bcrypt', '~> 3.1.7'
gem 'hirb'

# Use ActiveStorage variant

# gem 'mini_magick', '~> 4.8'

# Use Capistrano for deployment

# gem 'capistrano-rails', group: :development

# Reduces boot times through caching; required in config/boot.rb

gem 'bootsnap', '>= 1.1.0', require: false

group :development, :test do
  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
  gem 'sqlite3'
  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
end

group :development do
  # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
  gem 'web-console', '>= 3.3.0'
  gem 'listen', '>= 3.0.5', '< 3.2'
  # 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 :test do
  # Adds support for Capybara system testing and selenium driver
  gem 'capybara', '>= 2.15'
  gem 'selenium-webdriver'
  # Easy installation and use of chromedriver to run system tests with Chrome
  gem 'chromedriver-helper'
end

group :production do
  gem 'pg', '0.20.0'
  gem 'redis'
  gem 'redis-rails'
end

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

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

配置/cable.yml

development:
  adapter: async

test:
  adapter: async

# production:

# adapter: redis

# url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>

# channel_prefix: twinz_pfw_2020_production

production:
  adapter: redis
  url: <%= ENV["REDIS_URL"] %>

配置/application.rb

require_relative 'boot'

require 'rails/all'

# Require the gems listed in Gemfile, including any gems

# you've limited to :test, :development, or :production.

Bundler.require(*Rails.groups)

module TwinzPfw2020
  class Application < Rails::Application
    # Initialize configuration defaults for originally generated Rails version.
    config.action_cable.mount_path = '/cable'

    # Settings in config/environments/* take precedence over those specified here.
    # Application configuration can go into files in config/initializers
    # -- all .rb files in that directory are automatically loaded after loading
    # the framework and any gems in your application.
  end
end

配置/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

  # Disable serving static files from the `/public` folder by default since
  # Apache or NGINX already handles this.
  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?

  # 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.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 = :debug

  # 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 = "myrecipes_#{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
  config.action_cable.url = 'wss://prayforourworld.herokuapp.com/cable'
  config.web_socket_server_url = "wss://prayforourworld.herokuapp.com/cable"
  config.action_cable.allowed_request_origins = [ /https?:\/\/.*/ ]
  config.action_cable.allowed_request_origins = ['https://prayforourworld.herokuapp.com/', '/http:\/\/prayforourworld.herokuapp.*/']
end

config/initializers/redis.rb

$redis = Redis.new(url: ENV["REDIS_URL"]) if Rails.env.production?