HTTP::Handler

A handler is a class which includes HTTP::Handler and implements the call method. You can use a handler to intercept any incoming request and can modify the response. These can be used for request throttling, ip-based filtering, adding custom headers e.g.

NOTE: To use Handler, you must explicitly import it with require "http/server/handler"

A custom handler

require "http/server/handler"

class CustomHandler
  include HTTP::Handler

  def call(context)
    puts "Doing some stuff"
    call_next(context)
  end
end