home-assistant: auto-update container

systems/zaatar/home-assistant.nix

@@ -74,6 +74,40 @@ in {
 
   hardware.bluetooth.enable = true;
 
+  systemd.services.update-containers = {
+    startAt = "Mon 02:00";
+    script = ''
+      images=$(${pkgs.podman}/bin/podman ps -a --format="{{.Image}}" | sort -u)
+
+      for image in $images; do
+        ${pkgs.podman}/bin/podman pull "$image"
+      done
+    '';
+    serviceConfig = {
+      Type = "oneshot";
+      Restart = "on-failure";
+      RestartSec = "1h";
+    };
+  };
+
+  systemd.services.restart-homeassistant = {
+    startAt = "Tue 02:00";
+    script = ''
+      ${pkgs.systemd}/bin/systemctl try-restart podman-homeassistant.service
+    '';
+    serviceConfig = {
+      Type = "oneshot";
+    };
+  };
+
+  virtualisation.podman = {
+    enable = true;
+    autoPrune = {
+      enable = true;
+      flags = ["--all"];
+    };
+  };
+
   virtualisation.oci-containers = {
     backend = "podman";
     containers.homeassistant = {