Hello! I’m writing this brief post to help everyone that is using Nancy for the first time to not make the same mistakes that I did. I’m not even remotely interested in covering all possible aspects involved in developing a web application using Nancy, I just thought I’d share some of my mental notes gathered a few months ago. So, here we go.

Know how to properly use CORS

If you are using CORS avoid to use the wildcard in the Access-Control-Allow-Headers CORS header because he can have unpredictable behavior.