Updating the puma configuration in the capfile

Capfile

@@ -34,8 +34,11 @@ require "capistrano/rails/assets"
 require "capistrano/rails/migrations"
 # require "capistrano/passenger"
 require 'capistrano/puma'
-require 'capistrano/puma/nginx'   # if you want to upload a nginx site template
-require 'capistrano/puma/monit'
+install_plugin Capistrano::Puma  # Default puma tasks
+install_plugin Capistrano::Puma::Workers  # if you want to control the workers (in cluster mode)
+# install_plugin Capistrano::Puma::Jungle # if you need the jungle tasks
+install_plugin Capistrano::Puma::Monit  # if you need the monit tasks
+install_plugin Capistrano::Puma::Nginx  # if you want to upload a nginx site template
 
 # Load custom tasks from `lib/capistrano/tasks` if you have any defined
 Dir.glob("lib/capistrano/tasks/*.rake").each { |r| import r }