feat: vaultwarden init

hosts/hitsugibune/vaultwarden.nix

@@ -0,0 +1,30 @@
+{ config, ... }:
+
+let
+  domain = "vaultwarden.sprechtl.me";
+in
+{
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+
+  services.vaultwarden = {
+    enable = true;
+    config = {
+      DOMAIN = "https://${domain}";
+      SIGNUPS_ALLOWED = false;
+      ROCKET_PORT = 8222;      # internal port (nginx will proxy to this)
+    };
+  };
+
+  services.nginx = {
+    enable = true;
+    virtualHosts."${domain}" = {
+      forceSSL = true;
+      enableACME = true;
+
+      locations."/" = {
+        proxyPass = "http://127.0.0.1:${toString config.services.vaultwarden.config.ROCKET_PORT}";
+        proxyWebsockets = true;
+      };
+    };
+  };
+}