Web Server

A web server will be needed, check to see if Apache2 is already installed

$ which httpd

You can also try

• MAMP Mac
• XAMPP Mac / PC

If you have Python installed just run

python -m SimpleHTTPServer

in your application directory.

If you want to stay in the nodejs environment try

• Express.js a web application framework for nodejs

Have a look at Understanding Express.js for more information.

For those Ruby enthusiasts there's:

• Sinatra

In order to avoid having to 'allow' the camera every time you reload the page in the browser you could start a secure HTTPS server but there's special bonus points if you can make that happen.