Rails foreman gem configs

Gemfile

# Usage: bundle --binstubs && bin/foreman start

gem 'unicorn', '~> 4.3.1'

group :development do
  gem 'foreman', '~> 0.46.0'
end

Procfile

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

unicorn.rb

# http://michaelvanrooijen.com/articles/2011/06/01-more-concurrency-on-a-single-heroku-dyno-with-the-new-celadon-cedar-stack/

worker_processes 3 # amount of unicorn workers to spin up
timeout 15         # restarts workers that hang for 15 seconds

preload_app true

before_fork do |server, worker|
  ActiveRecord::Base.connection.disconnect! if defined?(ActiveRecord::Base)
end

after_fork do |server, worker|
  require 'my_app'

  ActiveRecord::Base.establish_connection if defined?(ActiveRecord::Base)
end