Cannot get local Kubernetes (minikube) to pull from local Docker registry
I'm feeling pretty stupid here. I want K8s to pull Docker images from a local registry to ensure my development cycle is as fast as possible.
I have set up the local registry per the instructions and am using an insecure registry. I have pushed images to it, and have confirmed they reside in the registry by looking inside it using VS Code's Docker extension:
I didn't really know whether to use localhost, $MACHINE_NAME, or $LOCAL_IP_ADDRESS, so I did all three.
I can successfully pull an image from these registries via the command line. However, when K8s (running via minikube) attempts to pull, it fails:
Failed to pull image "localhost:5000/service1": rpc error: code = Unknown desc = Error response from daemon: Get http://localhost:5000/v2/: dial tcp 127.0.0.1:5000: connect: connection refused
Why is this and how can I rectify?
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1 Answer
You might want to read this blog which provides excellent details on how to set up registry on minikube.
https://blog.hasura.io/sharing-a-local-registry-for-minikube-37c7240d0615/
The idea here is for the docker daemon on minikube to be able to pull from a registry called localhost:5000. This is achieved by actually running a registry on minikube and then setting up a proxy so that the minikube VM port 5000 maps to the registry’s 5000.