Update containerbuild.sh

Author: zoidyzoidzoid

docker/containerbuild.sh

@@ -69,6 +69,11 @@ FROM scratch
 ADD $KSNAME-docker.tar.xz /
 
 LABEL \\
+    org.label-schema.schema-version="1.0" \\
+    org.label-schema.name="CentOS Base Image" \\
+    org.label-schema.vendor="CentOS" \\
+    org.label-schema.license="GPLv2" \\
+    org.label-schema.build-date="$BUILDDATE" \\
     org.opencontainers.image.title="CentOS Base Image" \\
     org.opencontainers.image.vendor="CentOS" \\
     org.opencontainers.image.licenses="GPL-2.0-only" \\