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Question on SSL traffic between podman containers and clients (should I run k3s?) (lemmy.world)

submitted 10 months ago by [email protected] to c/[email protected]

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Hi everyone.

I was trying to research about how to implement SSL on the traffic between my clients and the containers that I host on my server.

Basically, my plan was to use upstream SSL in HAProxy to attempt to achieve this, but in order for that to work, each individual container on my server needs to be able to decrypt SSL. I do not think that is possible and that every container has the necessary libraries for it. This puts a halt on my idea for upstream encryption of traffic from my reverse-proxy to my containers.

With that said, ChatGPT suggested I use Kubernetes with a service mesh like Istio. The idea was intriguing so I started to read about it; but before I dive head-first into using k3s (TBH it's overkill for my setup), is there any way to implement server-side encryption with podman containers and a reverse-proxy?

After writing all of this, I think I'm missing the point about a reverse-proxy being an SSL termination endpoint, but if my question makes sense to you, please let me know your thoughts!

Thanks!

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[–] [email protected] 1 points 10 months ago (1 children)

Thanks for the long reply. Sadly I don't know enough about unix sockets and docker/podman networking to help you.

I've only used unix sockets with postgresql and signald. For both I had to mount the socket into the container and for the postgres I had to change the config to use unix sockets.

[–] [email protected] 1 points 10 months ago

I see. My use-case would probably be better served through a software bus implementation (how would I keep all of these containers attached to the bus? Isn't that a security risk?), but perhaps handling everything through the network behind individual reverse-proxies might be the best idea in this case.