1、拉取java镜像docker pull java:8
2、制作Docker镜像首先将itcast-microservice-eureka.jar文件上传到linux系统中的/t罪焐芡拂mp/itcast-microservice-eureka目录。编写Dockerfile文件：
3、app-entrypoint.sh文件：
4、构建：docker build -t itcast-microservice-eureka:1.0.0 .
5、运行容器不设置变量：docker create --name eureka-server -t -p 6868:鲂番黟谊6868 itcast-microservice-eureka:1.0.0docker start eureka-server && docker logs -f eureka-server
