Is it possible to run an openvpn client inside a docker container, and then have other containers use that container as a gateway?
@mhamzahkhan Yes, but not without making this openvpn container privileged. Otherwise you'll have trouble setting up the network device and routing.
Of course you also need to push the VPN route into the other container's network stack, but this might be done on the host.
container -> host -> openvpn-container
At least in docker I've seen such setups working. if you want this in k8s, it becomes more adventures.
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