update push to docker docs
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@ -10,7 +10,7 @@ aliases:
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- /docs/tasks/docker_daemon
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---
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## Cached Images
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# Cached Images
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From the host, you can push a Docker image directly to minikube. It will also be cached for future cluster starts.
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@ -39,26 +39,34 @@ For more information, see:
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You must be using minikube with the container runtime set to Docker. This is the default setting.
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## Pushing directly to the in-cluster Docker daemon
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# Pushing directly to the in-cluster Docker daemon
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When user a container or VM driver, it's really handy to reuse the Docker daemon inside minikube; as this means you don't have to build on your host machine and push the image into a docker registry - you can just build inside the same docker daemon as minikube which speeds up local experiments.
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When using a single VM of Kubernetes it's really handy to reuse the Docker daemon inside the VM; as this means you don't have to build on your host machine and push the image into a docker registry - you can just build inside the same docker daemon as minikube which speeds up local experiments.
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To be able to work with the docker daemon on your mac/linux host use the docker-env command in your shell:
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To point your terminal to use the docker daemon inside minikube run this:
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```shell
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eval $(minikube docker-env)
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```
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You should now be able to use docker on the command line on your host mac/linux machine talking to the docker daemon inside the minikube VM:
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now any command you run in this current terminal will run against the docker inside minikube VM or Container.
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Try it:
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```shell
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docker ps
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```
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now you can use same docker build command against the docker inside minikube. which is instantly accessible to kubernetes cluster.
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'''
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docker build -t myimage .
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'''
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Remember to turn off the `imagePullPolicy:Always` (use `imagePullPolicy:IfNotPresent` or `imagePullPolicy:Never`), as otherwise Kubernetes won't use images you built locally.
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more information on [docker-env](https://minikube.sigs.k8s.io/docs/commands/docker-env/)
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## Pushing directly to in-cluster CRIO
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# Pushing directly to in-cluster CRIO
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To push directly to CRIO, configure podman client on your mac/linux host using the podman-env command in your shell:
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@ -74,7 +82,7 @@ podman-remote help
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Remember to turn off the `imagePullPolicy:Always` (use `imagePullPolicy:IfNotPresent` or `imagePullPolicy:Never`), as otherwise Kubernetes won't use images you built locally.
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## Pushing to an in-cluster Registry
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# Pushing to an in-cluster Registry
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For illustration purpose, we will assume that minikube VM has one of the ip from `192.168.39.0/24` subnet. If you have not overridden these subnets as per [networking guide](https://minikube.sigs.k8s.io/reference/networking/), you can find out default subnet being used by minikube for a specific OS and driver combination [here](https://github.com/kubernetes/minikube/blob/dfd9b6b83d0ca2eeab55588a16032688bc26c348/pkg/minikube/cluster/cluster.go#L408) which is subject to change. Replace `192.168.39.0/24` with appropriate values for your environment wherever applicable.
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@ -100,7 +108,7 @@ Push docker image to minikube registry:
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docker push $(minikube ip):5000/test-img
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```
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## Building images inside of minikube
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# Building images inside of minikube
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Use `minikube ssh` to connect to the virtual machine, and run the `docker build` there:
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