Added recommended fixes and the in thing

activated-modules/docker.nix

@@ -0,0 +1,4 @@
+{configs, ...} :
+{
+  virtualisation.docker.enable = true;
+}

activated-modules/hass.nix

@@ -0,0 +1,18 @@
+{ config, pkgs, ... }:
+
+{
+  # Home Assistant
+  virtualisation.oci-containers.containers."homeassistant" = {
+	autoStart = true;
+	image = "ghcr.io/home-assistant/home-assistant:stable";
+	volumes = [
+	  "/home/opsmaster/HomeAssistant:/config"
+	  "/etc/localtime:/etc/localtime:ro"
+	];
+	extraOptions = [
+	  "--device=/dev/ttyUSB0"
+	  "--network=host"
+	  "--privileged"
+	];
+  };`	
+}

modules/nixos/hass.nix

@@ -1,5 +1,5 @@
 { config, pkgs, ... }:
-let vars = import ../../vars.nix;
+let vars = import ../../vars.nix; in
 {
   # Home Assistant
   virtualisation.oci-containers.containers."homeassistant" = {

modules/nixos/huginn.nix

@@ -1,5 +1,5 @@
 { config, pkgs, ... }:
-let vars = import ../../vars.nix;
+let vars = import ../../vars.nix; in
 {
   # Home Assistant
   virtualisation.oci-containers.containers."huginn" = {