Docker Security

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Revision as of 23:47, 26 January 2018 by Ovidiu (talk | contribs) (→‎Overview)
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Internal

Overview

Production containers should almost always be run under the context of a non-privileged user, because there is potential to allow root level access to host resources, as in the case of the bind mounts. See Dockerfile USER.

Linux Kernel Capabilities

Privileged Container

A privileged container, also referred to as a super privileged container (SPC) or an infrastructure container, is a special container elevated privileges administrators use to perform administrative tasks as management, monitoring, backups, etc. Privileged containers can load specialized kernel modules, for example. Typically there's a tighter coupling between privileged containers and the host kernel. When using a privileged container, the administrator needs to select a user space that is compatible with the host kernel.

Also see:

Container
OpenShift Security Context Constraints

Secret

https://docs.docker.com/engine/swarm/secrets/