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container.training/slides/k8s/declarative.md
Jerome Petazzoni 018282f392 slides: rename directories 
This was discussed and agreed in #246. It will probably break a few
outstanding PRs as well as a few external links but it's for the
better good long term.
2018-08-21 04:03:38 -05:00

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Declarative vs imperative in Kubernetes

  • Virtually everything we create in Kubernetes is created from a spec

  • Watch for the spec fields in the YAML files later!

  • The spec describes how we want the thing to be

  • Kubernetes will reconcile the current state with the spec
    (technically, this is done by a number of controllers)

  • When we want to change some resource, we update the spec

  • Kubernetes will then converge that resource

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