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Chapter 67: Docker Swarm vs Kubernetes: the Same App on Both, Side by Side

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Ekach orders app aapan aadhi Docker Swarm var chalvu aani mag Kubernetes var. Donhi kade scale, rolling update, secret aani health check karun baghu. Shevti donhi tools chi side-by-side tulana karu, mhanje interview madhe aani project madhe kontha tool kadhi nivadaycha he spashta kalel.

What you will learn in this chapter

  • Create a Docker Swarm with managers and workers and understand Raft quorum
  • Deploy, scale, update and roll back a stack on Swarm with secrets and health checks
  • Deploy the identical app on Kubernetes with kind and the same image
  • Compare scheduling, scaling, updates, networking, storage, secrets and ecosystem side by side
  • Choose the right orchestrator for a team and migrate a Swarm stack to Kubernetes

Concepts in this chapter

  1. 67.1Docker Swarm from zero: managers, workers, Raft and your first service
  2. 67.2Deploy the orders app on Swarm: stack file, secrets, health checks, scaling and rolling updates
  3. 67.3The same app on Kubernetes: kind cluster, Deployment, StatefulSet, Secret, scaling and rollouts
  4. 67.4Side by side: scaling, updates, self-healing, networking, storage, secrets and config compared
  5. 67.5Choosing and migrating: when Swarm fits, when Kubernetes wins, and moving a stack across

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