add telegraf, portainer to auto-update

docker/telegraf/docker-run.sh

@@ -1,13 +1,15 @@
 #! /bin/bash
 # must be executed from repo/docker/telegraf
+# does not work using compose on portainer even if using external volume hostfs
 docker pull telegraf
 docker container stop telegraf
 docker container remove telegraf
 
+scriptPath=$(dirname "$0")
 
 docker run -d --name=telegraf \
       -v /var/run/docker.sock:/var/run/docker.sock \
-      -v ./config/telegraf.conf:/etc/telegraf/telegraf.conf \
+      -v ${scriptPath}/config/telegraf.conf:/etc/telegraf/telegraf.conf \
       -v /:/hostfs:ro \
       -e HOST_ETC=/hostfs/etc \
       -e HOST_PROC=/hostfs/proc \