app/services/publisher.rb


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class Publisher
  def self.publish(routing_key, message = {})
    exchange = channel.topic("malwer")
    exchange.publish(message.to_json, routing_key: routing_key)
  end

  def self.channel
    @channel ||= connection.create_channel
  end

  def self.connection
    @connection ||= Bunny.new.tap do |connection|
      connection.start
    end
  end
end