non-root controller container

Signed-off-by: James Busche <jbusche@us.ibm.com>
rebased to fix controller version

Author: jbusche

CONTROLLER_VERSION

@@ -1 +1 @@
-1.29.53
+1.29.54

deployment/Dockerfile.both

@@ -5,10 +5,17 @@ ADD mcad-controller /usr/local/bin
 RUN true \
     && microdnf update \
     && microdnf --nodocs install \
-        curl \
+        curl shadow-utils \
     && microdnf clean all \
     && true
 
 RUN cd /usr/local/bin && curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl && chmod +x kubectl
 
 WORKDIR /usr/local/bin
+
+RUN groupadd --system --gid=9999 mcad && \
+    useradd --system --create-home --uid=9999 --gid=mcad mcad
+
+RUN chown -R mcad:mcad /usr/local/bin
+
+USER mcad