refactor: standardized instance records

modules/nixos/services/podgrab/default.nix

@@ -0,0 +1,77 @@
+{ config, flake, ... }:
+let
+  inherit (flake.config.services.instances) podgrab web;
+  inherit (flake.config.machines.devices) ceres;
+  service = podgrab;
+  localhost = web.localhost.address0;
+  host = service.domains.url0;
+in
+{
+  services = {
+    podgrab = {
+      enable = true;
+      port = service.ports.port0;
+      passwordFile = config.sops.secrets."${service.name}-pass".path;
+      dataDirectory = service.paths.path0;
+    };
+    caddy = {
+      virtualHosts = {
+        "${host}" = {
+          extraConfig = ''
+            redir /.well-known/carddav /remote.php/dav/ 301
+            redir /.well-known/caldav /remote.php/dav/ 301
+
+            reverse_proxy ${localhost}:${toString service.ports.port1}
+
+            tls ${service.ssl.cert} ${service.ssl.key}
+          '';
+        };
+      };
+    };
+  };
+
+  sops =
+    let
+      sopsPath = secret: {
+        path = "${service.sops.path0}/${service.name}-${secret}";
+        owner = service.name;
+        mode = "600";
+      };
+    in
+    {
+      secrets = builtins.listToAttrs (
+        map
+          (secret: {
+            name = "${service.name}-${secret}";
+            value = sopsPath secret;
+          })
+          [
+            "pass"
+          ]
+      );
+    };
+
+  fileSystems."/var/lib/${service.name}" = {
+    device = service.paths.path0;
+    fsType = "none";
+    options = [
+      "bind"
+    ];
+    depends = [
+      ceres.storage0.mount
+    ];
+  };
+
+  systemd.tmpfiles.rules = [
+    "Z ${service.paths.path0} 0755 ${service.name} ${service.name} -"
+    "Z ${service.sops.path0} 0755 ${service.name} ${service.name} -"
+  ];
+
+  networking = {
+    firewall = {
+      allowedTCPPorts = [
+        service.ports.port0
+      ];
+    };
+  };
+}