Hi,
diff inline.

Please note that you'll also need ngx_headers_more module:
https://github.com/agentzh/headers-more-nginx-module

> location / {
> auth_basic "Restricted";

-auth_basic "Restricted";

> root /var/www/web/;
> auth_request /auth;
>
> try_files $uri $uri/ @upstream;
> }
>
>
> location /auth {

-location /auth {
+location = /auth {

> internal;
>
> postgres_escape $user $remote_user;
> postgres_escape $pass $remote_passwd;
>
> postgres_pass database;
> postgres_query "SELECT login FROM users WHERE
> login=$user AND pass=$pass";
> postgres_rewrite no_rows 403;

-postgres_rewrite no_rows 403;
+postgres_rewrite no_rows 401;
+more_set_headers -s 401 'WWW-Authenticate: Basic realm="Restricted"';

> postgres_output none;
> }

Best regards,
Piotr Sikora < piotr.sikora@frickle.com >

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