feat: wip: add container backend to guests

hosts/ward/guests/immich.nix

@@ -0,0 +1,40 @@
+{
+  config,
+  nodes,
+  ...
+}: let
+  sentinelCfg = nodes.sentinel.config;
+  immichDomain = "immich.${sentinelCfg.repo.secrets.local.personalDomain}";
+in {
+  meta.wireguard-proxy.sentinel.allowedTCPPorts = [config.services.immich.web_port];
+
+  nodes.sentinel = {
+    networking.providedDomains.immich = immichDomain;
+
+    services.nginx = {
+      upstreams.immich = {
+        servers."${config.meta.wireguard.proxy-sentinel.ipv4}:${toString config.services.immich.settings.bind_port}" = {};
+        extraConfig = ''
+          zone immich 64k;
+          keepalive 2;
+        '';
+      };
+      virtualHosts.${immichDomain} = {
+        forceSSL = true;
+        useACMEWildcardHost = true;
+        oauth2.enable = true;
+        oauth2.allowedGroups = ["access_immich"];
+        locations."/" = {
+          proxyPass = "http://immich";
+          proxyWebsockets = true;
+        };
+      };
+    };
+  };
+
+  services.immich = {
+    enable = true;
+  };
+
+  systemd.services.grafana.serviceConfig.RestartSec = "600"; # Retry every 10 minutes
+}