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Chapter 64: Kubernetes Updates and Releases: Rolling Updates, Rollback, Blue-Green, Canary and Argo Rollouts

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Navin version live karne ha DevOps cha roj cha kaam aahe. Kubernetes madhe rolling update, rollback, blue-green aani canary he chaar marg aahet. Pratyek marg kind cluster var chalvun bagha aani kontya veli konta vaparaycha te samja.

What you will learn in this chapter

  • Run zero-downtime rolling updates and tune maxSurge and maxUnavailable
  • Release with clear tags, immutable digests and change-cause notes
  • Roll back fast with rollout undo and revision history
  • Switch all traffic at once with blue-green Services
  • Send a small share of traffic to a new version with canary releases
  • Automate progressive delivery with Argo Rollouts

Concepts in this chapter

  1. 64.1Rolling updates: replace pods without downtime
  2. 64.2Image tags, digests and change-cause: know exactly what is running
  3. 64.3Rollback: undo a bad release in seconds
  4. 64.4Blue-green deployments: switch all traffic at once, switch back just as fast
  5. 64.5Canary releases: send a small share of users to the new version first
  6. 64.6Argo Rollouts: automated canary and blue-green with analysis

The chapter recap is at the end of the last concept page.