Use ACME for certificates

Simplifies a lot the configuration. It eliminates the overlay and it accepts the key via environment file

hosts/caddy/default.nix

@@ -58,7 +58,12 @@ in
         authKeyFile = config.age.secrets.tailscale-authKey.path;
       };
 
-      caddy.enable = true;
+      caddy = {
+        enable = true;
+        email = "pasettodavide@gmail.com";
+        domain = "tegola.pro";
+      };
+
     };
 
     virtualisation = {

hosts/default.nix

@@ -13,7 +13,7 @@ let
   # customOverlays = import ../overlay;
   customOverlays = (
     final: prev: {
-      caddy-custom = prev.callPackage ../overlay/caddy-custom.nix { };
+      # caddy-custom = prev.callPackage ../overlay/caddy-custom.nix { };
       jellyseerr = nixpkgs-unstable.legacyPackages."x86_64-linux".jellyseerr;
     }
   );
@@ -99,4 +99,15 @@ in
     # specialArgs = { };
   };
 
+  nextcloud = nixpkgs.lib.nixosSystem {
+    pkgs = pkgs "x86_64-linux";
+    modules = [
+      myModule
+      proxmoxModule
+      ./nextcloud
+      agenix.nixosModules.default
+    ];
+    # specialArgs = { };
+  };
+
 }