-RUN groupadd -g 999 appuser && \
- useradd -r -u 999 -g appuser appuser
-RUN chown -R appuser:appuser /var/dmaap-adaptor-service/
-RUN chown -R appuser:appuser /opt/app/dmaap-adaptor-service/
-USER appuser
+RUN groupadd $user && \
+ useradd -r -g $group $user
+RUN chown -R $user:$group /opt/app/dmaap-adaptor-service
+RUN chown -R $user:$group /var/log/dmaap-adaptor-service
+RUN chown -R $user:$group /var/dmaap-adaptor-service
+
+USER ${user}