Set assets base path

config/packages/framework.yaml

@@ -3,6 +3,9 @@ framework:
     secret: '%env(APP_SECRET)%'
     #csrf_protection: true
 
+    assets:
+        base_path: '%env(ASSETS_BASE_PATH)%'
+
     # Note that the session will be started ONLY if you read or write from it.
     session: true