This is a basic Java web application using Jakarta EE HttpServlet directly.
Good starting point to learn Java in a web environment.
The project can locally be built and run using Docker:
docker run --rm -p 8080:8080 $(docker build -q .)This repo has been successfully deployed using render.com via GitHub. At the time of this writing this is the proposed way to deploy this project. (free tier, no credit card needed)