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what's the simple way to map services to subdomains instead of specifying the port number? (lemmy.dbzer0.com)

submitted 3 days ago by laserjet@lemmy.dbzer0.com to c/selfhosted@lemmy.world

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I have a bunch of services running on my LAN, mostly from a single Debian machine. I access them at URLs like http://devicename.lan:portnumber. I would like to change to http://servicename.devicename.lan.

How it works now: The router (openwrt) sets a static IP per device and the port number is selected by the application or system unit running it.

What is the absolute simplest way to accomplish this? I don't mind if it is managed by the router or by the server machine itself. Hoping for something that can be configured with a text file or web interface or other basic mathod.

These sevices are private, just for me and I have no plans to ever access them externally. I have so far avoided any certificates or SSL or other stuff. I don't use docker and would rather not get into it right now. I like my domain name setup how it is with fake local domains.

Hoping this could be possible without making a whole project out of it.

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[–] StrawberryPigtails@discuss.tchncs.de 4 points 3 days ago

Not sure if it's the simplest way, but this is how I did it. I set up a reverse proxy service in a vm using caddy and then used pihole (also in a vm) to set up a local DNS record pointing to the reverse proxy. The systems need to be set up to use the pihole server as their DNS resolver.

How it works is you type audiobookshelf.local.lan in the address bar and it queries pihole which says it at 192.168.1.100 or whatever. The Caddy web server at that address then passes the request on to the service at 192.168.1.60:8080.

Setup is a bit tedious but it has worked for me.