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avoid --cgroup-parent

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Wonderfall 2022-04-03 02:33:14 +02:00
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content/posts/docker-hardening.md
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@ -156,6 +156,8 @@ Use cgroups to restrict access to hardware and system resources. You likely don'
More runtime options can be found in [the official documentation](https://docs.docker.com/config/containers/resource_constraints/). All of them should have a [Compose spec](https://github.com/compose-spec/compose-spec/blob/master/spec.md) equivalent.
The `--cgroup-parent` option should be avoided as it uses the host cgroup and not the one configured from Docker (or else), which is the default.
### Read-only filesystem
It is good practice to treat the image as some refer to as the "golden image".