Evolving your APIs, a Pragmatic Approach

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" summary

Demo uses Apache APISIX as an API gateway to front two services (V1: Spring Boot Java, V2: Kotlin), configured via etcd and Docker Compose. Shows creating upstreams and a proxy-rewrite route to strip /v1, adding Prometheus metrics, and a custom Lua plugin that enforces registration with consumer/key-auth (demo rate limit: 2 calls/minute for anonymous). Presents traffic mirroring for validation, a 50/50 canary split, then response-rewrite to add the deprecation header and a sunset URL before retiring V1.

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" chapters (14)

1. 0:00Introduction to API evolution
2. 1:27Why API versioning matters
3. 2:51Brief history of web servers
4. 10:10APIs as integration glue
5. 13:21Introducing API Gateway
6. 14:08Demo setup and API Gateway
7. 19:59Versioning with API Gateway
8. 23:32Deprecating old API routes
9. 25:59Client registration incentives
10. 27:44Custom plugin for rate limiting
11. 31:25Testing in production
12. 34:38Canary releases
13. 35:42Retiring deprecated APIs
14. 37:48Summary and next steps

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