Zero downtime deployment with Kubernetes, Spring Boot and Flyway
summary
Claims a zero‑downtime upgrade path for Spring Boot apps on Kubernetes using Kubernetes rolling updates, Spring Boot actuator readiness checks and Flyway migrations. Shows a concrete schema change: split one table into two with a three‑step process—create and replicate, switch source‑of‑truth, then cleanup—while disabling Hibernate DDL auto. Notes Flyway records checksums, locks during migrations, and that undone scripts require manual care. Demo fails live but repository and blog exist to reproduce the approach.
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chapters (13)
- 0:00Introduction
- 2:22Why do you want to do zero downtime
- 5:21Bluegreen deployment
- 8:10Resource caller deployments
- 11:35Readiness Probe
- 12:45Database
- 14:48Schema changes
- 16:21Split it up
- 17:35Spring Boot version control
- 19:13Flyway migration
- 20:20Flyway integration
- 22:47Questions
- 24:15Other questions
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