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> I would like to avoid bugging users with cookie banners and consent forms

Then don't set any tracking cookies, and don't collect any personal data, and you'll be GDPR compliant.

That is my plan, but hosting on something that’s subject to US regulations seems like a problem and limits options quite a bit.

Use an EU-based host, it should be better.

You might even have to host different versions in different regions if you want to be fully compliant in all countries with their versions of GDPR.