Swift on the Server
summary
Swift on the server is production-ready: Vapor reports 722 releases since v4 across ~60 repos and is undergoing a Vapor 5 rewrite to remove futures and shrink code. Concurrency safety via Swift 6/sendable eliminates data-race crashes; Apple’s password monitoring migration shows 90% memory reduction, 40% throughput gain and ~50% compute savings. Amazon Prime Video uses Swift for ingest at scale; Lambda cold starts hit ~76 ms with ~50 MB. Ecosystem tools include gRPC Swift 2, Valky client, Swiftly, VS Code extension and Swift profile recorder.
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chapters (19)
- 0:00Introduction
- 1:16Swift server growth
- 2:06Origins of Swift
- 3:58Early development challenges
- 5:59Key language features
- 7:14Concurrency and safety
- 8:20Reaching maturity
- 9:04Why adopt Swift?
- 14:16Cost and performance benefits
- 15:31Lambda and serverless
- 17:13Interoperability
- 18:35Ecosystem tooling
- 20:25Standardizing the ecosystem
- 22:08New integrations
- 22:52Success stories
- 25:02Apple at scale
- 25:42Impact of migration
- 26:38The future with Vapor 5
- 29:04Conclusion
