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Security and docker
(sh.itjust.works)
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this post was submitted on 22 Jul 2024
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I generally say that containers and traditional UNIX users are good enough isolation for "mostly trusted" software. Basically I know that they aren't going to actively try to escalate their privilege but may contain bugs that would cause problems without any isolation.
Of course it always depends on your risk. If you are handing sensitive user data and run lots of different services on the same host you may start to worry about remote code execution vulnerabilities and will be interested in stronger isolation so that a RCE in any one service doesn't allow escalation to access all data being processed by other services on the host.