[Python] Server Responding with 500 Error after Updating samesite to 'Strict' [closed]

I am setting up some api calls and just updated my session cookie logic from samesite='None' to samesite='strict'. Now the api calls which verify session cookies are failing with a 500 error and I can see that the cookies are not present.

I am not exactly sure what I need to do to make my cookies samesite. Originally I thought I needed to host both my frontend and backend in Google Services however that didn't work and after posting a question here it was confirmed that was not the problem.

I migrated my frontend to Vercel and am using Render to host my backend, but I am still having issues with 3rd party cookies.

In Vercel I use a Cname record to connect with my Go Daddy domain. Do I need to do something similar with my backend?

My backend domain is https://backvercel-cv21.onrender.com and my frontend is https://frontdeploy-beta.vercel.app

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