
Open your terminal, go to your desired directory where you want to run the server and enter the following:
ruby -run -e httpd . -p 5000
It will start a webserver runnning on your machine at port 5000. No extra gem is needed for this to run.

Open your terminal, go to your desired directory where you want to run the server and enter the following:
ruby -run -e httpd . -p 5000
It will start a webserver runnning on your machine at port 5000. No extra gem is needed for this to run.