This is a sample configuration file for nginx to test the DICOMweb
plugin behind a HTTP proxy. To start the proxy as a regular user:

$ nginx -c ./nginx.local.conf -p $PWD


References about "Forwarded" header in nginx:
https://onefeed.xyz/posts/x-forwarded-for-vs-x-real-ip.html
https://www.nginx.com/resources/wiki/start/topics/examples/forwarded/