container.training/slides/k8s/versions-k8s.md

Versions installed

• Kubernetes 1.12.0
• Docker Engine 18.06.1-ce
• Docker Compose 1.21.1

.exercise[

• Check all installed versions:

  kubectl version
  docker version
  docker-compose -v
  

]

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Kubernetes and Docker compatibility

• Kubernetes 1.12.x only validates Docker Engine versions 1.11.2 to 1.13.1 and 17.03.x

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• Are we living dangerously?

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• "Validates" = continuous integration builds

• The Docker API is versioned, and offers strong backward-compatibility

  (If a client uses e.g. API v1.25, the Docker Engine will keep behaving the same way)