waiting for influxdb before starting scrutiny app.

rootfs/etc/services.d/scrutiny/run

@@ -1,5 +1,7 @@
 #!/usr/bin/with-contenv bash
 
-echo "starting scrutiny"
+echo "waiting for influxdb"
+until $(curl --output /dev/null --silent --head --fail http://localhost:8086/health); do echo "not ready"; done
 
+echo "starting scrutiny"
 scrutiny start