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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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I have never cared about the IP addresses of my docker containers and never will.
Why do you? There is a docker internal DNS, you can just resolve IPs by service name/container_name.
Yes, and you can also control that as well by messing with docker network groups. I find the ability to network into docker servers from the host to be super simple.
What I haven't figured out yet is whether or not I can give my docker services their own IP on my router for access from another system on a fixed or reserved IP.
I see. Sure, that's a valid way to manage networking. I personally don't like to do this manually anymore, just like I don't drive stick shift anymore.
If you want to expose a service to the WWW I'd recommend using a reverse proxy. E.g. I use Traefik 2; it gets the config needed automatically from 5-6 labels per container and I don't need to bother with IPs, certificates, NAT and what have you. It just creates virtual hosts procures a LetsEncrypt certificate and directs the traffic to the target container completely on its own.
Spinning up a container and trying it out with its own subdomain with correct SSL certificates immediately never has been easier. (I have a "*" DNS entry to my Treafik server).
You also could try installing cloudflared and create a Cloudflare tunnel. This way you don't even have to forward any ports in your router.
Just some tips, if you want to explore new things :)
You can. You have to set up a macvlan on your network and then assign an IP to your container that sits on your router's subnet.
I can only use traefik with a macvlan because Synology DSM uses ports 80 and 443. I assign traefik its own IP and use pihole's DNS to route wildcard subdomain to it.
I wrote a guide in my trillium notes. If you're interested I can share.