Building Software Architecture from First Principles
summary
Claim: software architecture reduces to three concrete first principles — domain centricity, pure functional core, semantic typing — and three composable functions (init, decide/update/evolve) that let the same business logic run as a transaction script or as event sourcing without rewiring the core. The talk demonstrates mapping to event modeling (Adam Dimmitri), cites Unison/Haskell for algebraic effects, and claims better testability, easier parallelization, and practical separation of IO at the edges.
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chapters (15)
- 0:00Introduction
- 1:26First principles in software architecture
- 3:35Layered architecture patterns
- 5:04Domain centricity
- 7:13Pure functions benefits
- 8:36Functional core principle
- 9:59Validation on the edge
- 11:02Business logic abstraction
- 12:25Transaction script pattern
- 14:12Event sourcing
- 16:40Unifying patterns
- 18:26Side effects modeling
- 20:13Event modeling
- 22:22Programming model patterns
- 23:03Summary
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