Update hosts/docker/configuration.nix

hosts/docker/configuration.nix

@@ -82,6 +82,35 @@ systemd.timers.update-containers = {
   };
 };
 
+# Create Gotify Docker monitoring script task
+{
+  systemd.services.docker-health-to-gotify = {
+    description = "Alert Gotify when Docker containers become unhealthy";
+    after = [ "docker.service" ];
+    serviceConfig = {
+      Type = "oneshot";
+      # Run as root so it can read /etc/secrets and access docker socket
+     # User = "root";
+      #EnvironmentFile = "-/etc/secrets/docker-health-alert.env";
+      ExecStart = "mnt/docker-persistent-data/docker/gotify/docker-health-to-gotify.sh";
+      StandardOutput = "journal";
+      StandardError = "journal";
+    };
+    path = with pkgs; [ docker curl coreutils gnused ];
+  };
+
+  systemd.timers.docker-health-to-gotify = {
+    wantedBy = [ "timers.target" ];
+    timerConfig = {
+      OnBootSec = "2min";
+      OnUnitActiveSec = "1min";
+      AccuracySec = "15s";
+      Persistent = true;
+    };
+  };
+}
+
+
 #Add sym links to data on users home folder
 system.userActivationScripts.createDockerSymlink.text = ''
   ln -sf /mnt/docker-persistent-data/docker /home/nixos/docker