using proxy_pass with dynamic variables nginx

Question

I'm trying to use proxy_pass with nginx to mask redirects to my image CDN. I'd like to be able to go to a path like:

myserver.com/images/12345/whatever-name-goes-here.jpg

I'd like that to proxy to

i've tried the following

location ~ /images/(.*)/(.*) {
      proxy_pass http://imagecdn.com/$1.jpg; 
    }

But i keep getting 502 errors. Any idea if this is even possible ?

Faisal Memon · Accepted Answer · 2017-01-16 21:25:31Z

1

I would suggest using an actual redirect, such as:

location ~ ^/images/(.*)/(.*)$ {
    return 301 $scheme://imagecdn.com/$1.jpg;
}

answered Jan 16, 2017 at 21:25

Faisal Memon

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2 Comments

Faisal Memon Over a year ago

I think I see the problem, you can't use proxy_pass in this way when the location is a regex, see doc for proxy_pass and scroll down to "In some cases". You have to use a rewrite rule: location /images { rewrite ^/images/(.*)/(.*)$ $1.jpg break; proxy_pass http://imagecdn.com;}

jdkealy Over a year ago

this is the answer i was looking for

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