```ruby
# frozen_string_literal: true

Rails.application.configure do
  config.lograge.enabled = true
  config.lograge.formatter = Lograge::Formatters::Logstash.new
  config.lograge.logger = LogStashLogger.new(type: :stdout)
  config.lograge.log_level = ENV["LOG_LEVEL"].to_sym

  config.lograge.ignore_actions = ["HeartbeatController#index"]
  config.lograge.base_controller_class = "ActionController::API"

  config.lograge.custom_options = lambda do |event|
    exceptions = %w(controller action format id)
    {
      params: event.payload[:params].except(*exceptions),
    }
  end
end
```

Add ignore for logging 404s
user
```ruby
# frozen_string_literal: true

Rails.application.configure do
  config.lograge.enabled = true
  config.lograge.formatter = Lograge::Formatters::Logstash.new
  config.lograge.logger = LogStashLogger.new(type: :stdout)
  config.lograge.log_level = ENV["LOG_LEVEL"].to_sym

  config.lograge.ignore_actions = ["HeartbeatController#index"]
  config.lograge.base_controller_class = "ActionController::API"

  config.lograge.custom_options = lambda do |event|
    exceptions = %w(controller action format id)
    {
      params: event.payload[:params].except(*exceptions),
    }
  end

  config.lograge.ignore_custom = lambda do |event|
    # If 404 is raised, it's a routing error and should be ignored
    event.payload[:status] == 404
  end
end
```
assistant