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# test.com/webservice/content/1 =>  http:/127.0.0.1:8080/webservice/content/1
location ~ "/(escenic|studio|webservice|webservice-extensions|live-center-editorial|live-center-presentation)/(.*)" {
  proxy_set_header Host $http_host;
  proxy_pass http://127.0.0.1:8080;
}


location	proxy_pass	                Request	             Received by upstream
--------  --------------------------  -------------------  --------------------
/webapp/	http://localhost:5000/api/	/webapp/foo?bar=baz	 /api/foo?bar=baz
/webapp/	http://localhost:5000/api	  /webapp/foo?bar=baz	 /apifoo?bar=baz
/webapp	  http://localhost:5000/api/	/webapp/foo?bar=baz	 /api//foo?bar=baz
/webapp	  http://localhost:5000/api	  /webapp/foo?bar=baz	 /api/foo?bar=baz
/webapp	  http://localhost:5000/api	  /webappfoo?bar=baz	 /apifoo?bar=baz

# This will match for http://localhost/webservice/content/1, 
# and not match http://localhost/remote/webservice/content/1
location ~ "^/webservice/(.*)" {
  proxy_set_header Host $http_host;
  proxy_pass http://127.0.0.1:8080;
}

https://dev.to/danielkun/nginx-everything-about-proxypass-2ona