Break up Monoliths and lay them to REST!
summary
Describes breaking a large Amadeus monolith by extracting UI, adding an API gateway, using toggles/feature flags and GitOps, then moving parsers/auth into independent services each with its own datastore; a validation microservice handles 100 million validations per day. Uses the strangler pattern or a big‑bang rewrite, yields 200x faster deployments (from ~every 200 days to daily), produces million+ pull requests, and reports zero rollbacks after automation and API contract discipline.
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chapters (8)
- 0:00Introduction
- 2:38Monolithic apps and challenges
- 6:34Monolith benefits and problems
- 12:33Breaking up monoliths
- 15:22Case study: Validation service
- 20:17SRE role in migration
- 22:45Case study: Big bang migration
- 24:12Results and takeaways
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