Unicorn configuration to run processes

Procfile

web: bundle exec unicorn -p $PORT -c ./config/unicorn.rb

unicorn.rb

worker_processes 3 # amount of unicorn workers to spin up
timeout 30         # restarts workers that hang for 30 seconds

@worker = nil

before_fork do |server, worker|
  @worker ||= spawn("bundle exec rake jobs:work")
end