Merge pull request 'Fix URL matcher for substr (vs strfry)' (#608) from bugfix/substr_url_matching into master

Reviewed-on: #608

site-cookbooks/kosmos_strfry/templates/nginx_conf_strfry.erb

@@ -25,7 +25,7 @@ server {
     alias /var/www/assets.kosmos.org/site/img/favicon.ico;
   }
 
-  location ~* ^/[@~n]|^/assets {
+  location ~ ^/(?:@|~|npub|naddr|nprofile|assets/) {
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_pass http://_substr;