support multi-platform docker builds

Issue-ID: INT-865

Change-Id: I25dc0ca6c615b60b28f4999ae6fc475155e11daf
Signed-off-by: sandovalfr <frank.sandoval@oamtechnologies.com>
diff --git a/auth/docker/Dockerfile.base b/auth/docker/Dockerfile.base
index 6962794..ad8e271 100644
--- a/auth/docker/Dockerfile.base
+++ b/auth/docker/Dockerfile.base
@@ -17,9 +17,8 @@
 #  limitations under the License.
 #  ============LICENSE_END====================================================
 #
-# Use Public Image
-FROM nexus3.onap.org:10001/openjdk:8-jre-alpine
-#FROM openjdk:8-jre-alpine
+# Use dbuild.sh input parameter to set registry
+FROM ${REGISTRY}openjdk:8-jre-alpine
 MAINTAINER AAF Team, AT&T 2018
 
 LABEL description="aaf_base"