Berksfile

cookbook 'docker', '~> 0.36.0'

recipe.rb

%w(a b c).each do |et|
  docker_image "org/image_#{et}" do
    tag     'latest'
  end

  10.times do |x|
    docker_container "img_#{et}" do
      image               "org/image_#{et}"
      tag                 'latest'

      container_name      "image_#{et}_#{x.to_s.rjust(2, '0')}"
      detach              true
      hostname            "img-#{et.slice(0,3)}-#{x}"
      restart             'on-failure'
      # env                 'DEBUG=true'
      action              :run
    end
  end

end