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The following proxy works elegantly resolving http://my.org/ to the proxied address:

location / { proxy_pass http://127.0.0.1:8082; }

However, adding a name in the URI breaks things and results in a 404 error:

location /luigi/ { proxy_pass http://127.0.0.1:8082; }

Also tried rewriting but to no avail:

location /luigi/ { rewrite ^/luigi/(.*)$ /$1 break; proxy_pass http://127.0.0.1:8082; }

accesss.log:

myip - - [24/Jul/2020:16:56:36 -0400] "GET /luigi/ HTTP/1.1" 404 513 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0" "-" myip - - [24/Jul/2020:16:56:36 -0400] "GET /error?src=404&ifr=1&error= HTTP/1.1" 404 153 "http://myurl/luigi/" "Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0" "-" myip - - [24/Jul/2020:16:56:47 -0400] "GET /luigi/ HTTP/1.1" 404 513 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0" "-" myip - - [24/Jul/2020:16:56:47 -0400] "GET /error?src=404&ifr=1&error= HTTP/1.1" 404 153 "http://myurl/luigi/" "Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0" "-"

error.log:

2020/07/24 16:56:32 [notice] 107788#0: signal process started 2020/07/24 16:56:36 [error] 107789#0: *13 open() "/usr/share/nginx/html/error" failed (2: No such file or directory), client: myip, server: , request: "GET /error?src=404&ifr=1&error= HTTP/1.1", host: "myurl", referrer: "http://myurl/luigi/" 2020/07/24 16:56:47 [error] 107789#0: *13 open() "/usr/share/nginx/html/error" failed (2: No such file or directory), client: myip, server: , request: "GET /error?src=404&ifr=1&error= HTTP/1.1", host: "myurl", referrer: "http://myurl/luigi/"

Can anybody please help?

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  • Hi tash, it could already help to add an '=' to the location, e.g. ' location = /luigi/ '. Should you run non-static content behind that location you might consider a ' location ~* ^/luigi/(.*)$ '. Some Nginx pros will probably correct me :). Cheers Commented Jul 24, 2020 at 21:59
  • What are you trying to do exactly? Expose /luigi app in the browser as an / (root) or /luigi on the backend server? Which one? Commented Jul 24, 2020 at 22:30
  • Hi @Toumash, I need to set up multiple proxy_pass against one public url. The first configuration I provided displays the Luigi server against http://my.org. However, when I have many of them such as Luigi, Dash, and a static html, I need a string in the URL that would differentiate among the above three. Hence the string /luigi comes. I think my answer to your question would be "expose /luigi app in the browser". Commented Jul 25, 2020 at 2:14

1 Answer 1

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You can try the following:

location ~ /luigi/(.*) { proxy_pass http://127.0.0.1:8082/$1; }

This will capture the path after /luigi to a variable, and add the path to proxy_pass path.

You need to make sure that your application generates proper URLs in the links it creates. Often it is a problem that the application generates URLs like http://127.0.0.1:8082 and one cannot set it up to generate proper URLs in reverse proxy configuration.

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  • Hi @Tero, doing the above didn't help. Upon doing that, when I plug in http://my.org/luigi/, the URL gets rewritten as http://pnl_servers.dipr.partners.org/static/visualiser/index.html, yet I get 404. However, for my very first block, without any name after /, the URL gets rewritten as http://pnl_servers.dipr.partners.org/static/visualiser/index.html# (note the trailing #). Commented Jul 25, 2020 at 17:14
  • I think you are right about and one cannot set it up to generate proper URLs. In the process of rewriting and responding back to the original URL, there is a problem that hinders nginx to serve back. Commented Jul 25, 2020 at 17:15
  • Yes, it seems that the app is sending back a redirect to some other domain (perhaps the domain it is configured to use). Commented Jul 25, 2020 at 17:19
  • Then use the Host header stackoverflow.com/a/14352958/3711660 Commented Jul 28, 2020 at 8:28
  • Hi @Toumash, I tried the following: ``` location /luigi { proxy_pass 127.0.0.1:8082; proxy_set_header Host $http_host; } ``` yet again, the url http://my.org/luigi gets rewritten as http://my.org/static/visualiser/index.html and results in error404. While I don't know if I followed your suggestion right, any other bright idea? Commented Jul 28, 2020 at 13:40

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