Merge branch 'jweatherford-development-patch-04505' into 'development'

Update Dockerfile

See merge request !25

Dockerfile

@@ -44,10 +44,5 @@ RUN chmod g+w /opt/spark/work-dir
 
 ENTRYPOINT [ "/opt/entrypoint.sh" ]
 
-#not needed, spark plumbs into k8s directly and k8s monitors it directly
-# but VAT wants this so...
-HEALTHCHECK --start-period=1s --interval=10s \
-  CMD ( touch /tmp/foo && rm /tmp/foo ) || exit 1
-
 # Specify the User that the actual main process will run as
 USER ${spark_uid}