Deployment Express server on nginx?

How to deploy an Express server so that nginx proximal request, as I understand it you need to separately start the nginx http server on port 80 and expresss server on local port 127.0.0.1:3000 and to proxy requests, but do not get it. I tried to use this guide but it does not work - https://gist.github.com/tomasevich/a2fe588c451c5a1...
On any of my query it gives an error 404
June 3rd 19 at 20:25
1 answer
June 3rd 19 at 20:27
Solution

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