In many cases combination of Google App Engine and GitHub Actions is more cost effective than Netflify. While you may retain all the same features. I wrote a detailed article how to achieve that.
Note - it references my product Reliza Hub for approvals in the end - but you don't have to use that part to get the baseline GAE + GitHub Actions stack working).
https://worklifenotes.com/2020/05/24/google-app-engine-github-actions-static-websites/