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Varun Srinivasan
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I'm getting increasing conviction around the idea of using sync engines instead of APIs for building apps The idea is simple: - apps read and write to a local db or object - a sync engine keeps this magically synced with server db - sync is designed to be conflict free (using crdts or similar)
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Varun Srinivasan
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The real hard stuff is in the sync engine - it has to be designed to be conflict free (which imposes some restrictions on the types of operations) and has to be very performant at scale.
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Varun Srinivasan
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The main unlock is the developer experience - testing apps as a frontend dev is very simple once you have the db model. There's no server mocks or anything like that and the testability is very high. You also get a lot of advanced features like collaborative editing for free.
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Varun Srinivasan
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@kam has a great post on this here, which I recommend reading: https://bricolage.io/some-notes-on-local-first-development/
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Varun Srinivasan
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fly also has a new blog post explaining their pov on this design: https://fly.io/blog/skip-the-api/
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