feature: remote wp-content/uploads content

docker-compose.yml

@@ -14,6 +14,7 @@ services:
     environment:
       WORDPRESS_SITEURL:    ${WPSTACK_PROTOCOL}://${WPSTACK_DOMAIN}/${WPSTACK_URLPATH:-}
       WORDPRESS_SITE_TYPE:  ${WPSTACK_MULTISITE:-regular}
+      REMOTE_MEDIA_URL:     ${REMOTE_MEDIA_URL:-}
     labels:
       caddy: ${WPSTACK_DOMAIN}
       caddy.reverse_proxy: "reverse-proxy:80"

docker/nginx/templates/wordpress-regular-site.conf.template

@@ -28,6 +28,19 @@ server {
         access_log off;
     }
 
+    location ~ ^/wp-content/uploads/(.*)$ {
+        try_files $uri @remote_assets;
+    }
+
+    location @remote_assets {
+        set $remote_url "${REMOTE_MEDIA_URL}";
+        if ($remote_url = "") {
+            return 404;
+        }
+        add_header X-Redirect-From "nginx-local" always;
+        return 302 $remote_url$request_uri;
+    }
+
     location / {
         # This is cool because no php is touched for static content.
         # include the "?$args" part so non-default permalinks doesn't break when using query string