Setup mail server and restructure some things

hosts.nix

@@ -3,66 +3,90 @@ let
   # Set of environment specific modules
   environments = {
     "proxmox" = [
-      ./configuration/proxmox-vm
-    ]; 
+      ./config/environments/proxmox-vm
+    ];
   };
   generateDefaults = hosts: builtins.mapAttrs (name: {
     hostNixpkgs ? nixpkgs,
     system ? "x86_64-linux",
     # pkgs is explicitly defined so that overlays for each host can easily be created
     pkgs ? hostNixpkgs.legacyPackages.${system},
-    environment ? "proxmox",
+    environment ? "",
     site
   }: {
     inherit hostNixpkgs system pkgs environment site;
     # define common and host modules and additionally add environment specific modules
     modules = [
-      ./configuration/common
-      ./hosts/${name}
-    ] ++ environments.${environment};
+      ./config/common
+      ./config/hosts/${name}
+    ] ++ (if environment != "" then environments.${environment} else []);
   }) hosts;
 in
   generateDefaults {
+    #fee = {
+    #  site = "wg";
+    #  environment = "bare-metal";
+    #};
     hydra = {
       site = "vs";
+      environment = "proxmox";
     };
     iperf = {
       site = "vs";
+      environment = "proxmox";
     };
     jackett = {
       site = "vs";
+      environment = "proxmox";
     };
     jellyfin = {
       hostNixpkgs = nixpkgs-unstable;
       site = "vs";
+      environment = "proxmox";
+    };
+    lifeline = {
+      site = "io";
+    };
+    mail-1 = {
+      site = "vs";
+      environment = "proxmox";
     };
     matrix = {
       site = "vs";
+      environment = "proxmox";
     };
     metrics = {
       site = "vs";
+      environment = "proxmox";
     };
     netbox = {
       site = "vs";
+      environment = "proxmox";
     };
     nextcloud = {
       site = "vs";
+      environment = "proxmox";
     };
     nitter = {
       site = "vs";
+      environment = "proxmox";
     };
     coturn = {
       site = "vs";
+      environment = "proxmox";
     };
     tor-relay = {
       site = "vs";
+      environment = "proxmox";
     };
     web-public-2 = {
       hostNixpkgs = nixpkgs-unstable;
       site = "vs";
+      environment = "proxmox";
     };
     web-nonpublic-linuxcrewd = {
       hostNixpkgs = nixpkgs-unstable;
       site = "vs";
+      environment = "proxmox";
     };
   }