VOL-612 - rename images to work better with public repository

Change-Id: I9679544987c3a08d0001928cfbc39d710a6c1eae
diff --git a/envoy/go/envoyd/build_binary.sh b/envoy/go/envoyd/build_binary.sh
index 5f8fc06..ff537a9 100755
--- a/envoy/go/envoyd/build_binary.sh
+++ b/envoy/go/envoyd/build_binary.sh
@@ -1,8 +1,10 @@
 #!/bin/bash
 
+TAG=${TAG:-latest}
+
 rm -fr buildreport
 rm -f envoyd
-docker run -e "http_proxy=$http_proxy" -e "https_proxy=$https_proxy" -v $(pwd):/src voltha/go-builder
+docker run -e "http_proxy=$http_proxy" -e "https_proxy=$https_proxy" -v $(pwd):/src ${REGISTRY}${REPOSITORY}voltha-go-builder:${TAG}
 #/build.sh
 uid=`id -u`
 gid=`id -g`