HADOOP-15673. Hadoop:3 image is missing from dockerhub. Contributed by Bharat Viswanadham.

Dockerfile

@@ -14,7 +14,7 @@
 # limitations under the License.
 
 FROM apache/hadoop-runner
-ARG HADOOP_URL=https://www.apache.org/dyn/mirrors/mirrors.cgi?action=download&filename=hadoop/common/hadoop-3.0.0/hadoop-3.0.0.tar.gz
+ARG HADOOP_URL=https://www.apache.org/dyn/mirrors/mirrors.cgi?action=download&filename=hadoop/common/hadoop-3.1.1/hadoop-3.1.1.tar.gz
 WORKDIR /opt
 RUN sudo rm -rf /opt/hadoop && wget $HADOOP_URL -O hadoop.tar.gz && tar zxf hadoop.tar.gz && rm hadoop.tar.gz && mv hadoop* hadoop && rm -rf /opt/hadoop/share/doc
 WORKDIR /opt/hadoop