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Harden DockerProcessFactory into a real sandbox - #325
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AydinHassan
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October 22, 2026 19:35
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Run student code with plain `docker run` using the workshop's runtime image, with all isolation enforced by the factory so workshops cannot loosen it: no network (composer gets network but no plugins/scripts), read-only root fs with a small /tmp, all capabilities dropped, no-new-privileges, pid/memory/cpu limits, and a timeout enforced inside the container. Exposed ports bind to loopback only. Add createBuildProcess() to build the runtime image at deploy time. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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AydinHassan
removed this pull request from stack #326
October 22, 2026 20:04
AydinHassan
added this pull request to stack #329
October 22, 2026 20:04
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Run student code with plain
docker runusing the workshop's runtimeimage, with all isolation enforced by the factory so workshops cannot
loosen it: no network (composer gets network but no plugins/scripts),
read-only root fs with a small /tmp, all capabilities dropped,
no-new-privileges, pid/memory/cpu limits, and a timeout enforced inside
the container. Exposed ports bind to loopback only. Add
createBuildProcess() to build the runtime image at deploy time.
Co-Authored-By: Claude Opus 5.5 noreply@anthropic.com
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