CSS File Not Updating on Deploy (Google AppEngine)

Question

I pushed a new version of my website, but now the CSS and static images are not deploying properly.

Here is the messed up page: http://www.gaiagps.com

Appeng

Answer 1

If you use 2020 GCP App Engine, just add default_expiration to your app.yaml file and set it to 1m.

default_expiration: "1m"

More info: https://cloud.google.com/appengine/docs/standard/python3/config/appref/#runtime_and_app_elements