remove hard-coded version number from Dockerfile (apache#1025)

Author: andygrove

kube/Dockerfile

@@ -65,4 +65,4 @@ ENV SCALA_VERSION=2.12
 USER root
 
 # note the use of a wildcard in the file name so that this works with both snapshot and final release versions
-COPY --from=builder  /comet/spark/target/comet-spark-spark${SPARK_VERSION}_$SCALA_VERSION-0.2.0*.jar $SPARK_HOME/jars
+COPY --from=builder  /comet/spark/target/comet-spark-spark${SPARK_VERSION}_$SCALA_VERSION-*.jar $SPARK_HOME/jars