feat: add ESPHome dashboard

services/esphome.nix

@@ -0,0 +1,32 @@
+{ config, pkgs, ... }:
+
+with pkgs;
+
+let
+  port = 6052;
+  inherit (config.services.home-assistant) configDir;
+in {
+  services.nginx = {
+    virtualHosts."esphome.felschr.com" = {
+      enableACME = true;
+      forceSSL = true;
+      locations."/" = {
+        proxyPass = "http://[::1]:${toString port}";
+        proxyWebsockets = true;
+      };
+    };
+  };
+
+  systemd.services.esphome = {
+    description = "ESPHome";
+    after = [ "network.target" ];
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig = {
+      User = "hass";
+      Group = "hass";
+      Restart = "on-failure";
+      WorkingDirectory = configDir;
+      ExecStart = "${pkgs.esphome}/bin/esphome dashboard ${configDir}/esphome";
+    };
+  };
+}