add-header with if necessary inside location

nginx/nginx.conf

@@ -58,13 +58,12 @@ http {
         add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
         add_header 'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Mx-ReqToken,X-Requested-With';
 
-        # This hack to add header Content-Disposition will be deleted if envvar THUMBOR_ALLOW_CONTENT_DISPOSITION != true
-        if ($args ~* download){ add_header 'Content-Disposition' 'attachment'; }
-
         location ~* "^/(..)(..)(.+)?$" {
             root        /data/result_storage/v2/$1/$2;
             expires     1M;
             error_page  404 = @fetch;
+
+            if ($args ~* download){ add_header 'Content-Disposition' 'attachment'; } # This hack to add header Content-Disposition will be deleted if envvar THUMBOR_ALLOW_CONTENT_DISPOSITION != true
         }
 
         location = /healthcheck {
@@ -75,6 +74,8 @@ http {
         location @fetch {
             internal;
             proxy_pass http://thumbor$request_uri;
+
+            if ($args ~* download){ add_header 'Content-Disposition' 'attachment'; } # This hack to add header Content-Disposition will be deleted if envvar THUMBOR_ALLOW_CONTENT_DISPOSITION != true
         }
 
         location ~ /\.ht { deny  all; access_log off; error_log off; }