Upgrade Spark to 2.4.4 in docker image

Author: luisbelloch

infra/docker/Dockerfile

@@ -7,7 +7,7 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/*
 
 ENV SPARK_HOME=/opt/spark
-RUN mkdir -p /opt/spark && curl -s http://apache.rediris.es/spark/spark-2.4.0/spark-2.4.0-bin-hadoop2.7.tgz | tar -xz -C "${SPARK_HOME}" --strip-components=1
+RUN mkdir -p /opt/spark && curl -s http://apache.rediris.es/spark/spark-2.4.4/spark-2.4.4-bin-hadoop2.7.tgz | tar -xz -C "${SPARK_HOME}" --strip-components=1
 ENV PATH=$SPARK_HOME/bin:$SPARK_HOME/sbin:$PATH
 
 ENV SPARK_NO_DAEMONIZE=true

infra/docker/Makefile

@@ -6,12 +6,12 @@ build:
 	docker build -t luisbelloch/spark .
 
 tag:
-	docker tag luisbelloch/spark luisbelloch/spark:2.4.0
-	docker tag luisbelloch/spark luisbelloch/spark:2019.1
+	docker tag luisbelloch/spark luisbelloch/spark:2.4.4
+	docker tag luisbelloch/spark luisbelloch/spark:2019.2
 
 push:
-	docker push luisbelloch/spark:2.4.0
-	docker push luisbelloch/spark:2019.1
+	docker push luisbelloch/spark:2.4.4
+	docker push luisbelloch/spark:2019.2
 	docker push luisbelloch/spark
 
 list: