config

app.json

@@ -33,6 +33,9 @@
         "MAILER_FROM_ADDRESS": {
             "description": "The email address your application will use as the default sender.",
             "required": true
+        },
+        "PRIMARY_SITE_URL": {
+            "description": "The URL of your primary Craft CMS site. This is used to generate URLs for email verification, password reset, etc.",
         }
     },
     "formation": {