1class Publisher
 2  def self.publish(message)
 3    exchange = channel.topic("malwer")
 4    exchange.publish(message.to_json, routing_key: message.routing_key)
 5  end
 6
 7  def self.channel
 8    @channel ||= connection.create_channel
 9  end
10
11  def self.connection
12    @connection ||= Bunny.new.tap do |connection|
13      connection.start
14    end
15  end
16end