Container Registries

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Repositories for storing and distributing container images. Docker Hub is the default public registry. Cloud providers offer managed registries: ECR (AWS), GCR/Artifact Registry (GCP), ACR (Azure). GHCR (GitHub Container Registry) integrates with GitHub Actions. Registries support tagging, versioning, and access control.

Key Properties

• Public vs Private Registries
• Image Tagging
• Registry Authentication

Related

• Docker (images are pushed to and pulled from registries)
• Container Security (image scanning at the registry level)

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cloud containers