feat: add custom user cmd arg on img upload

Author: marrouchi

remote-img-load.sh

@@ -1,12 +1,13 @@
 #!/bin/bash
 
 readonly HOST="$1"
+readonly USER=${2:-ubuntu}
 if [ -z "${HOST}" ]; then
   echo "Usage: ./remote-img-load.sh <host>"
   exit 1
 fi
 
 ./build-image.sh
 echo "Transfering image to ${HOST} ..."
-docker save jembi/platform:latest | bzip2 | ssh ubuntu@"${HOST}" docker load
+docker save jembi/platform:latest | bzip2 | ssh "${USER}@${HOST}" docker load
 echo "Image transfered"