Local Postgres, peer-authed over the unix socket (the "zitadel" role is granted createdb+createrole and doubles as both the runtime and bootstrap DB user - no password anywhere). TLS terminates at Caddy; Zitadel listens on localhost:8080 and is proxied at auth.mgaction.town. Master key and admin bootstrap password come from sops - the admin password specifically needs the sops.templates -> rendered-file route (services.zitadel.steps would leak it into the world-readable Nix store), same pattern as mercury's pihole.env. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
82 lines
3.8 KiB
Nix
82 lines
3.8 KiB
Nix
{ config, pkgs, lib, ... }:
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# netcup VPS (UEFI, /dev/vda). Public reverse proxy + tailnet node.
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{
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imports = [
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./hardware-configuration.nix
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./disk-config.nix # disko: vda partitions + filesystems
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./secrets.nix # sops-nix: tailscale authkey
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../../common.nix # shared base: user / ssh / nix / firewall
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../../services/caddy.nix
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../../services/tailscale.nix
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../../services/zitadel.nix
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];
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# ---- Boot (UEFI) ----
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boot.loader.systemd-boot.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
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# Root is on the virtio disk — pin these so stage-1 mounts it regardless of
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# what nixos-generate-config detects in the installer.
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boot.initrd.availableKernelModules = [ "virtio_pci" "virtio_blk" "virtio_scsi" ];
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networking.hostName = "neptun";
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# ---- Static networking (netcup) ----
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# No LAN fallback: get this right or the box is unreachable (use netcup's
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# VNC console / rescue system to fix). Values captured from the running VPS.
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networking.useDHCP = false;
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networking.usePredictableInterfaceNames = false; # keep the NIC named eth0
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networking.interfaces.eth0 = {
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ipv4.addresses = [ { address = "159.195.64.117"; prefixLength = 22; } ];
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ipv6.addresses = [ { address = "2a0a:4cc0:c2:19e1:44b4:8dff:fe4d:c7d7"; prefixLength = 64; } ];
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};
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networking.defaultGateway = { address = "159.195.64.1"; interface = "eth0"; };
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# netcup IPv6 gateway is conventionally fe80::1 — VERIFY with `ip -6 route`
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# on the running VPS; wrong v6 gw won't break v4 reachability.
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networking.defaultGateway6 = { address = "fe80::1"; interface = "eth0"; };
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# Public resolvers for early boot; tailscale MagicDNS overrides once up.
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networking.nameservers = [ "9.9.9.9" "1.1.1.1" "2620:fe::fe" ];
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# firewall (enable + 22), caddy (80/443), tailscale (trust tailscale0 + join
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# headscale) come from ../../common.nix and ../../services/{caddy,tailscale}.nix.
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# ---- Public reverse proxy vhosts ----
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# Caddy gets automatic public HTTPS (Let's Encrypt) for real domains.
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# Proxies to jupiter's audiobookshelf over the tailnet (MagicDNS name).
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# Needs a public A record -> this VPS IP (ports 80/443 opened by the module).
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services.caddy.virtualHosts."audiobookshelf.mgaction.town".extraConfig = ''
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reverse_proxy http://jupiter.hosts.mgaction.town:8000
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'';
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# TODO: port your other VPS services' vhosts here before deploying.
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# ---- Zitadel (identity/OIDC provider) ----
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# Runs locally on neptun (see services/zitadel.nix); Caddy just terminates
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# TLS and proxies to it.
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services.zitadel.settings.ExternalDomain = "auth.mgaction.town";
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services.caddy.virtualHosts."auth.mgaction.town".extraConfig = ''
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reverse_proxy http://localhost:8080
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'';
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# ---- Gitea SSH forward ----
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# Caddy only proxies HTTP; git-over-ssh needs a raw TCP forward. Gitea's
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# own built-in SSH server runs on jupiter:2222 (see services/gitea.nix —
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# not :222, the unpriv gitea user can't bind <1024). Forward this VPS's
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# public :2222 to it over the tailnet, so `ssh://git@git.mgaction.town:2222/...`
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# reaches gitea. Needs a matching inbound-2222 rule in netcup's *edge*
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# firewall panel too (separate from this box's own, and not managed by Nix).
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systemd.services.gitea-ssh-forward = {
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description = "Forward :2222 to jupiter's gitea SSH server over tailscale";
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after = [ "network-online.target" "tailscaled.service" ];
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wants = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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DynamicUser = true;
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ExecStart = "${pkgs.socat}/bin/socat TCP-LISTEN:2222,fork,reuseaddr TCP:jupiter.hosts.mgaction.town:2222";
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Restart = "always";
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};
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};
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networking.firewall.allowedTCPPorts = [ 2222 ];
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system.stateVersion = "26.05"; # set at install time; do NOT bump on upgrades
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}
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