Spegel is a distributed container image registry mirror designed to speed up container image pulls in large-scale Kubernetes clusters. It locally mirrors container images to cluster nodes, reducing latency and bandwidth consumption during container deployments. Spegel integrates natively with containerd and CRI-O, ensuring seamless operation in container runtimes without changing workflows. It’s particularly useful for air-gapped, edge, or resource-constrained environments where access to remote registries is slow or restricted.

Features

  • Distributed image mirroring across Kubernetes nodes
  • Compatible with containerd and CRI-O
  • Speeds up container startup by reducing pull times
  • Reduces bandwidth usage and external registry dependency
  • Works in air-gapped and edge environments
  • Automatic synchronization of needed images
  • No changes required in deployment manifests

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Categories

Clustering

License

MIT License

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Spegel Web Site

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Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

Go

Related Categories

Go Clustering Software

Registered

2025-04-08