构建spark2.4.0 镜像

　　[root@docker01 src]# pwd
　　/usr/local/src
　　[root@docker01 src]# tar xf spark-2.4.0-bin-hadoop2.7.tgz

  [root@docker01 spark-2.4.0-bin-hadoop2.7]# pwd
  /usr/local/src/spark-2.4.0-bin-hadoop2.7

  [root@docker01 spark-2.4.0-bin-hadoop2.7]# docker build -t 192.168.56.245:8888/java/spark-bin-hadoop27:2.4.0 -f kubernetes/dockerfiles/spark/Dockerfile .