Complete reimplementation to support cross platform usage without namespaces

container/static-repos/README.md

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+These repository files have no canonical home online so need to be statically
+saved and directly added to the container.

container/static-repos/google-cloud-sdk.repo

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+[google-cloud-cli]  
+name=Google Cloud CLI  
+baseurl=https://packages.cloud.google.com/yum/repos/cloud-sdk-el9-x86_64  
+enabled=1 
+gpgcheck=1 
+repo_gpgcheck=0 
+gpgkey=https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg

container/static-repos/kubernetes.repo

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+[kubernetes]
+name=Kubernetes
+baseurl=https://pkgs.k8s.io/core:/stable:/v1.32/rpm/
+enabled=1
+gpgcheck=1
+gpgkey=https://pkgs.k8s.io/core:/stable:/v1.32/rpm/repodata/repomd.xml.key