Handy script to help analyse heroku dyno behaviour [CEDAR STACK]

dyno_process_analyse.rb

available_signals = Signal.list

f = STDERR
f.puts "Arguments to the process \n #{ARGV.inspect} \n\n"
f.puts "Environment of the process \n #{ENV.inspect} \n\n"

f.puts "Available Signals: #{available_signals.keys.inspect}"
f.flush

available_signals.keys.each do |signal|
  eval("
     trap :#{signal} do
       f.puts \"SIG#{signal} trapped at #{Time.now}\"
       f.flush
     end
  ");
end

loop do
  #something
end
#run lambda { |env| [200, {'Content-Type'=>'text/plain'}, StringIO.new("Analysis App\n")] }

Procfile

web: ruby dyno_process_analyse.rb -p $PORT
worker: ruby dyno_process_analyse.rb -p $PORT