docker-compose命令和yml文件配置

version: '3'
services:
  eureka-server:
    image: mydocker/eureka-server-docker
    hostname: eureka-server
    container_name: eureka-server
    environment:
      JAVA: myjava

    extra_hosts:
      eureka-client: 192.168.102.128
      eureka-server: 192.168.102.128
    ports:
      - "8661:8661"
    volumes:
        - /opt/docker_volume/service/eureka-server-docker.jar:/app.jar
        - /etc/localtime:/etc/localtime:ro