Puma config for production

.gitignore

@@ -3,6 +3,7 @@
 .rakeTasks
 *.iml
 Gemfile.lock
+.env.production
 
 /db/*.sqlite3
 /db/*.sqlite3-journal

config/puma.rb

@@ -0,0 +1,28 @@
+threads_count = ENV.fetch 'RAILS_MAX_THREADS', 5
+threads threads_count, threads_count
+
+env = ENV.fetch 'RAILS_ENV', 'development'
+environment env
+
+unless Rails.root
+	module Rails
+		ROOT = Dir.pwd
+
+		def self.root
+			ROOT
+		end
+	end
+end
+
+if env == 'production'
+	workers 4
+	listen = ENV.fetch('LISTEN') { 'unix://' + File.join(Rails.root, 'tmp/sockets/puma.sock') }
+	bind listen
+else
+	listen = ENV.fetch('PORT') { 3001 }
+	port listen
+end
+
+pidfile File.join Rails.root, 'tmp/pids/puma.pid'
+
+plugin :tmp_restart