Vercel Sandbox now supports custom Docker images

Short summary

Vercel Sandboxes now supports custom Docker images in public beta, enabling developers to supply their own OS, toolchain, and dependencies without spinning up compute or creating snapshots. Images from Vercel Container Registry maintain fast cold-start performance through precompiled snapshots in the same format as Sandbox Snapshots, combining filesystem customization with performance.

• •Custom Docker image support available in Vercel Sandboxes public beta
• •Eliminates need for compute-intensive snapshot creation
• •Maintains fast cold-start times with precompiled snapshots

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