Contents

# frozen_string_literal: true

<% if rails? -%>
require ::File.expand_path('../config/environment', __FILE__)
<% else -%>
# This file is auto-generated during the install process.
# If by any chance you've wanted a setup for Rails app, either run the `karafka:install`
# command again or refer to the install templates available in the source codes

ENV['RACK_ENV'] ||= 'development'
ENV['KARAFKA_ENV'] ||= ENV['RACK_ENV']
Bundler.require(:default, ENV['KARAFKA_ENV'])

# Zeitwerk custom loader for loading the app components before the whole
# Karafka framework configuration
APP_LOADER = Zeitwerk::Loader.new
APP_LOADER.enable_reloading

%w[
  lib
  app/consumers
].each { |dir| APP_LOADER.push_dir(dir) }

APP_LOADER.setup
APP_LOADER.eager_load
<% end -%>

class KarafkaApp < Karafka::App
  setup do |config|
    config.kafka = { 'bootstrap.servers': '127.0.0.1:9092' }
    config.client_id = 'example_app'
<% if rails? -%>
    # Recreate consumers with each batch. This will allow Rails code reload to work in the
    # development mode. Otherwise Karafka process would not be aware of code changes
    config.consumer_persistence = !Rails.env.development?
<% end -%>
  end

  # Comment out this part if you are not using instrumentation and/or you are not
  # interested in logging events for certain environments. Since instrumentation
  # notifications add extra boilerplate, if you want to achieve max performance,
  # listen to only what you really need for given environment.
  Karafka.monitor.subscribe(Karafka::Instrumentation::StdoutListener.new)
  # Karafka.monitor.subscribe(Karafka::Instrumentation::ProctitleListener.new)

  routes.draw do
<% if rails? -%>
    # Uncomment this if you use Karafka with ActiveJob
    # You ned to define the topic per each queue name you use
    # active_job_topic :default
<% end -%>
    topic :example do
      consumer ExampleConsumer
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
karafka-2.0.0.alpha4	lib/karafka/templates/karafka.rb.erb
karafka-2.0.0.alpha3	lib/karafka/templates/karafka.rb.erb