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Configuring Kubernetes
Minikube has a "configurator" feature that allows users to configure the Kubernetes components with arbitrary values.
To use this feature, you can use the --extra-config flag on the minikube start command.
This flag is repeated, so you can pass it several times with several different values to set multiple options.
Selecting a Kubernetes version
minikube defaults to the latest stable version of Kubernetes. You may select a different Kubernetes release by using the --kubernetes-version flag, for example:
minikube start --kubernetes-version=v1.10.13
minikube follows the Kubernetes Version and Version Skew Support Policy, so we guarantee support for the latest build for the last 3 minor Kubernetes releases. When practical, minikube extends this policy two additional minor releases so that users can emulate legacy environments.
As of April 2019, this means that minikube supports and actively tests against the latest builds of:
- v1.14 (default)
- v1.13
- v1.12
- v1.11 (best effort)
- v1.10 (best effort)
For more up to date information, see OldestKubernetesVersion and NewestKubernetesVersion in constants.go
kubeadm
The kubeadm bootstrapper can be configured by the --extra-config flag on the minikube start command. It takes a string of the form component.key=value where component is one of the strings
- kubeadm
- kubelet
- apiserver
- controller-manager
- scheduler
and key=value is a flag=value pair for the component being configured. For example,
minikube start --extra-config=apiserver.v=10 --extra-config=kubelet.max-pods=100
minikube start --extra-config=kubeadm.ignore-preflight-errors=SystemVerification # allows any version of docker