Pushing Container Images to Google Cloud Artifact Registry (Step-by-Step)

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When running Kubernetes locally with Docker Desktop, you have a handy superpower: your local Kubernetes cluster shares your computer's local Docker daemon. Any image you build via docker build is immediately available to your local pods without needing to push it to the internet. However, the moment you decide to deploy to a managed cloud cluster like Google Kubernetes Engine (GKE), that magic ends. GKE nodes run in Google Cloud's data centers and have no access to your laptop's disk. They need a secure, centralized container registry from which to pull your container images.

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