```ruby
require_relative "boot"

require "rails"

require "active_model/railtie"
require "action_controller/railtie"
require "action_mailer/railtie"
require "action_view/railtie"
require "sprockets/railtie"
require "sidekiq/api"

# Require the gems listed in Gemfile, including any gems
# you've limited to :test, :development, or :production.
Bundler.require(*Rails.groups)

module SpecialistPublisher
  class Application < Rails::Application
    # Initialize configuration defaults for originally generated Rails version.
    config.load_defaults 6.0

    # 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.

    # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
    # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
    # config.time_zone = 'Central Time (US & Canada)'
    config.time_zone = "London"

    # Using a sass css compressor causes a scss file to be processed twice
    # (once to build, once to compress) which breaks the usage of "unquote"
    # to use CSS that has same function names as SCSS such as max.
    # https://github.com/alphagov/govuk-frontend/issues/1350
    config.assets.css_compressor = nil
  end
end
```

Enable the js_compressor option for Sprockets
user
```ruby
require_relative "boot"

require "rails"

require "active_model/railtie"
require "action_controller/railtie"
require "action_mailer/railtie"
require "action_view/railtie"
require "sprockets/railtie"
require "sidekiq/api"

# Require the gems listed in Gemfile, including any gems
# you've limited to :test, :development, or :production.
Bundler.require(*Rails.groups)

module SpecialistPublisher
  class Application < Rails::Application
    # Initialize configuration defaults for originally generated Rails version.
    config.load_defaults 6.0

    # 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.

    # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
    # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
    # config.time_zone = 'Central Time (US & Canada)'
    config.time_zone = "London"

    # Compress JS using a preprocessor.
    config.assets.js_compressor = :uglifier

    # Using a sass css compressor causes a scss file to be processed twice
    # (once to build, once to compress) which breaks the usage of "unquote"
    # to use CSS that has same function names as SCSS such as max.
    # https://github.com/alphagov/govuk-frontend/issues/1350
    config.assets.css_compressor = nil
  end
end
```
assistant