Concepts and reference
The case studies show whole designs. These pages pull out the ideas that repeat across them, so you can study one idea at a time or look something up before a round. New here? Read Start here first.
- Design patternsEleven patterns (outbox, repository, observer and more) and which case uses each.Free
- Failure modesHow a mobile app fails, and where each case handles it: lost replies, process death, stale data.Free
- Compare design choicesPolling or push, cursor or offset, which background scheduler. Side by side, with the case that picks each.Free
- GuidesShort guides and long guides on one idea at a time. Build guides are on the case studies page.Free
- GlossaryPlain-language definitions of every term the cases use.Free
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