I have a server config in nginx which matches several domains:

server {
  server_name example1.com example2.com example3.com;
  # ...

And I would like to redirect the www versions to the corresponding domains. I know how to do it for a single domain with a redirect and I would know how to do the inverse thing but I can't find a way here.

Any idea ?

Thanks ! :)


Don't use if

server {
    server_name ~^(www\.)(?<domain>.+)$;
    return 301 $scheme://$domain$request_uri;    

That's all ...

  • Wow, I didn't know it was possible to do that oO Thanks ! – Happynoff May 15 '13 at 9:18
  • ~^(www\.)?(?<domain>.+)$ will match its own redirect; remove the first question mark: ~^(www\.)(?<domain>.+)$ – Alexander Holmbäck Mar 23 '17 at 17:14
  • Fixed in the answer. – Andrew Swift Oct 31 '18 at 10:14

Ok I found this solution:

server {
  server_name www.exemple1.com www.example2.com www.exemple3.com;
  listen 80;

  if ($http_host ~ "www.(.*)") {
    return 301 $scheme://$1$request_uri;

It works like a charm :)

  • I would actually set up separate server blocks for each domain name. Using IF is generally bad and really non-performant with NGINX. – probablyup May 13 '13 at 17:12
  • 1
    nginx docs kinda sucks on explaining what's going on in that if condition. nginx.org/en/docs/http/ngx_http_rewrite_module.html#if, anyway this answer helped my case. – lasec0203 Mar 23 '18 at 4:44

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