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You're running untrusted code. Every RUN command in a user's Dockerfile is executed during build, which means you're executing arbitrary commands from strangers on your own infrastructure. If you're not isolating that properly, it's a security risk.

adastra22 · 2h ago

Inside the container though. The whole point of which is that it sandboxes and isolates the running code.

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Building untrusted container images safely at scale

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