Disable varnish middleware on staging

mandelstudio/settings/env/stg.py

@@ -16,5 +16,12 @@ ALLOWED_HOSTS = [
     "mandelstudio.welkombij.mandelblog.com",
 ]
 
+# Staging should reflect live middleware behavior without edge cache interference.
+MIDDLEWARE = [
+    middleware
+    for middleware in MIDDLEWARE
+    if middleware != "ocyan.plugin.varnish.middleware.varnishmiddleware"
+]
+
 # Force mail to console
 EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"