How do I map a specific URL/Regex in NGINX to a proxy address

Question

I am using NGINX as a reverse proxy for a Grafana server which is connected to Elasticsearch. Elasticsearch is not publicly accessible (currently) but I would like to have a link from Grafana to a specific document.

Currently, I have the following block:

 location / {
            proxy_pass http://localhost:3000;
            ...
 }

And I would like to add another URL that would proxy from /id/1234 to the url http://localhost:9200/myindex/_doc/1234. But I only want it to be if the id is an integer.

How would I do that?

location ~ ^/id/[0-9]+ ?

Ntwobike
– Ntwobike

2019-06-12 14:17:09 +00:00
Commented Jun 12, 2019 at 14:17 — Ntwobike
– Ntwobike, Commented Jun 12, 2019 at 14:17

Richard Smith · Accepted Answer · 2019-06-12 14:20:34Z

1

For any integer id you will need to capture it using a regular expression location and pass it to the proxy_pass directive as a variable.

For example:

location ~ /id/([0-9]+)$ {
    proxy_pass http://localhost:9200/myindex/_doc/$1;
}

answered Jun 12, 2019 at 14:20

Richard Smith

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