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Good resources for setting up a domain name to a local Caddy instance (piefed.social)

submitted 3 weeks ago by petrichornetrainfall@piefed.social to c/selfhosted@lemmy.world

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I've been using Linux for decades, I've worked as a software engineer/architect/sre for around a decade, but networking has always been my biggest gap in knowledge.

I have a local server, I have caddy spun up, a glinet router running their version of openwrt, and I have a domain name purchased through porkbun.

I am looking to setup "local.domain.com" to point to my local server, ideally without exposing it publicly, and enable devices on my home network to be able to access it from that url. Id also like to be able to access containers running on that server by something like "searxng.local.domain.com" or "local.domain.com/searxng" aka without using the port suffix. Id also like to enable https.

I have read so many guides that have fragments of what I need, but nothing that ties enough together to get it working. And with all the options around different domain registers, let's encrypt, reverse proxies, etc, im struggling just a bit.

Are their any guides (prefer text over YouTube, but beggars cant be choosers) that people recommend that encompass the whole process, instead of just pieces? Id like to understand it instead of just fumble through it.

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[–] Reannlegge@lemmy.ca 2 points 3 weeks ago* (last edited 3 weeks ago)

I have a flint 2 (glinet) as my firewall as well, I had read somewhere that I should install vanilla OpenWRT so I did (I have added stuff to it so I like coming up with different flavours when talking to people like rocky road). I have Caddy running in docker on a pi in my LAN I have a password file of some sort that Caddyfile references at the top. Don’t ask me how I formatted it because I do not remember that part but take my secondary pihole as an example of using a domain that cannot be reached, from outside of my lan.

pihole52.reannlegge.ca {
    @allowed {
        remote_ip 10.0.0.0/8
    }
    handle @allowed {
        redir / /admin{uri}
        reverse_proxy http://10.0.69.52:31415/
    }
    handle {
        respond "Not available from this network" 403
    }
    import easydns_tls
    log {
        output file /var/log/caddy/pihole52.log
        format json
    }
}

While other places on my domain can be reach outside of my vLANs. I have to secure some things up as I found that my SearXNG is open to the WAN.

Edit: looks like search.reannlegge.ca was available on the WAN if you where in Canada but I have changed that to only on my vLANs and VPNs