contrib/packaging/docker/fedora21

--- a/contrib/packaging/docker/fedora21	Fri Jun 15 00:50:48 2018 +0530
+++ b/contrib/packaging/docker/fedora21	Sat May 12 15:51:37 2018 -0700
@@ -1,4 +1,8 @@
 FROM fedora:21
+
+RUN groupadd -g 1000 build && \
+    useradd -u 1000 -g 1000 -s /bin/bash -d /build -m build
+
 RUN yum install -y \
 	gcc \
 	gettext \