CORD-1894 Cleanup for HW pod install

Change-Id: I685861a1bdcbdc40aa993d5d9b0c01477fdde8c6
(cherry picked from commit 31385c19d676c72e0227af17c36dd5a0dee63da1)
diff --git a/provisioner/Dockerfile.provisioner b/provisioner/Dockerfile.provisioner
index d53b7ee..cfc8850 100644
--- a/provisioner/Dockerfile.provisioner
+++ b/provisioner/Dockerfile.provisioner
@@ -20,7 +20,7 @@
 ADD . /go/src/gerrit.opencord.org/maas/cord-provisioner
 RUN go build -o /build/entry-point gerrit.opencord.org/maas/cord-provisioner
 
-FROM alpine:3.5
+FROM alpine:3.6
 MAINTAINER Open Networking Laboratory <info@onlab.us>
 
 # Base image information borrowed by official golang wheezy Dockerfile