Update README.md

README.md

@@ -25,12 +25,28 @@ A simple "down detector". Put this in a crontab (runs every minute):
 * * * * * cat /etc/metrics_metadata | generate_metrics cloudflare $(ping -c 1 1.1.1.1 &> /dev/null ; echo $?) > /srv/metrics/cloudflare
 ```
 
+---
+
+Actual down detector I'm using:
+
+```bash
+#!/bin/bash
+
+# Clear the file
+echo "" > /srv/metrics
+
+targets=("1.1.1.1" "192.168.1.1" "oliveratkinson.net")
+
+for i in "${targets[@]}"
+do
+        export TARGET=$i
+        envsubst < /root/metrics_metadata | /root/generate_metrics is_down $(ping -c 1 $TARGET &> /dev/null; echo $?) >> /srv/metrics
+done
+```
 ```caddyfile
 :80 {
-	root * /srv/metrics
-	file_server
+        handle /metrics {
+                file_server /srv/metrics
+        }
 }
-
 ```
-
-