this post was submitted on 20 Oct 2023
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VPN for specific containers only (alien.top)
submitted 1 year ago by Heas_Heartfire@alien.top to c/main@selfhosted.forum
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Hi there, I hope somebody can help me out with this, because I've done some research already but either I have come across dead links or I haven't understood what I was reading.

I have a bunch of docker containers running behind Nginx Proxy Manager and I have pi-hole with unbound set up as dns server for ad-blocking and also to resolve "mydomain.tld" to my local server ip (I have a hard time remembering ips/ports).

Some containers are publicly available for convenience, the rest aren't but I'd still like to have some or all of them behind a VPN so I can access them from outside my local network and it would be great if I could also set the pi-hole as the dns server for the VPN.

Long story short, I don't want to route all of the traffic behind the VPN, just specific containers.

All of them are running on ubuntu server with no VMs, it's a small homelab, nothing fancy.

How can I do this?

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[โ€“] NikStalwart@alien.top 1 points 1 year ago (1 children)

Look into Docker Networks.

You just create a VPN Network, and then attach containers to that network that need to go through that VPN.

With VPN containers things can be more funky, where you don't so much use a Network but rather you use "network mode" to copy the network mode of the VPN container, but you get the picture.

[โ€“] Heas_Heartfire@alien.top 1 points 1 year ago

Hey, thanks for your input. I tried doing that but couldn't get it working this way, probably because I'm not really sure of what I'm doing. Please take a look at my edit.