rosa-build/config/puma/production.rb

base_path  = "/app/rosa-build"
bind 'unix:///app/rosa-build/rosa_build.sock'

environment ENV['RAILS_ENV'] || 'production'
threads *(ENV['PUMA_THREADS'] || '12,12').split(',')
workers ENV['PUMA_WORKERS'] || 5


preload_app!

on_worker_boot do
  if defined?(ActiveRecord::Base)
    ActiveSupport.on_load(:active_record) do
      ActiveRecord::Base.connection.disconnect! rescue ActiveRecord::ConnectionNotEstablished
      ActiveRecord::Base.establish_connection
    end
    Rails.logger.info('Connected to PG')
  end

  Redis.connect!
  Rails.logger.info('Connected to Redis')
end