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shelfish: front via vps-relay (don't expose phantom-ship public IP)

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Original commit added Caddy directly on phantom-ship and opened
ports 80/443 — that would have exposed the home connection's
public IP via DNS. Reverting that and using the existing relay
pattern instead: vps-relay (Hetzner) terminates public TLS and
reverse-proxies over ZeroTier to phantom-ship's ZT IPv6 on 8081.

phantom-ship now just runs shelfish.service bound to 127.0.0.1:8081;
it accepts connections only from the ZT mesh interface (since
caddy/firewall changes are gone, the only listeners are the
existing trusted-interface ones plus this loopback).

vps-relay gets a third virtualHost alongside navidrome and bbbot.

DNS: shelfish.dannydannydanny.me → 89.167.39.251 (vps-relay public IP),
NOT phantom-ship's home IP.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Danny 2026-05-03 06:29:48 +02:00
parent d787b0ea48
commit 2aec4d4d5e
1 changed files with 3 additions and 11 deletions
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14
nixos/hosts/phantom-ship.nix
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@ -250,18 +250,10 @@ in
};
};
# Caddy reverse proxy in front of the local HTTP services (shelfish, etc).
# Auto-Let's-Encrypt; ACME requires the subdomain to A-record to this host.
networking.firewall.allowedTCPPorts = [ 80 443 ];
services.caddy = {
enable = true;
email = "powerhouseplayer@gmail.com";
virtualHosts."shelfish.dannydannydanny.me".extraConfig = ''
reverse_proxy 127.0.0.1:8081
'';
};
# Shelfish — Goodreads-flavoured book club Mini App.
# Public traffic comes through vps-relay's Caddy → ZeroTier → here.
# See vps-relay.nix for the public-facing virtualHost. We never expose
# this host's IP directly.
# Code deployed out-of-band via rsync to /home/danny/shelfish/
# (staying in-tree in ~/python-projects/27_shelfish/ until spun out).
# Auth: validates Telegram WebApp initData against shipyard's bot token