Java: Web servers
https://www.dailyrazor.com/blog/tomcat-vs-jetty/
Nginx servelet
https://www.nginx.com/resources/wiki/start/topics/examples/javaservers/
A good tutorial using jetty
https://examples.javacodegeeks.com/enterprise-java/jetty/jetty-tutorial-beginners/
TODO: Create a simple demo using jetty