I think that app.router.VERB should be preferred rather than app.VERB directly, avoiding dirty coding.

Need to login to download cheatsheets, there is lots of stuff what special here.

Ever since I worked with node.js "Node University" tried to catch me with its paid service. Not a problem, but always trying to hide the real docs! So "Node University" was a no-go-area from day one! Now since there are good enough docs from many sources, you try to the same strategy with cheat sheets. I tell you: This is a bad strategy!

Plus: If you want to see how good cheat sheets are made, take a look at this: https://github.com/LeCoupa/awesome-cheatsheets/blob/master/backend/node.js