Cloudflare is a nice option if you can adapt your system to run there [1]. You could also run just the frontend on CF and host any APIs elsewhere. Or check these sites [2] [3] with some good reviews and comparisons of hosting providers.
Regarding spaced repetition, RemNote 1.17 an 1.18 has a bunch of AI features for summarizing PDFs and YouTube transcripts and turning that into Q&A for spaced repetition, and they also have a Chatbot interface in-app. Perhaps you could check some of what they are doing for inspiration [4].
Regarding spaced repetition, RemNote 1.17 an 1.18 has a bunch of AI features for summarizing PDFs and YouTube transcripts and turning that into Q&A for spaced repetition, and they also have a Chatbot interface in-app. Perhaps you could check some of what they are doing for inspiration [4].
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1: https://developers.cloudflare.com/workers/languages/
2: https://getdeploying.com/
3: https://www.vpsbenchmarks.com/
4: https://www.youtube.com/@RemNote/videos