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#指定基础镜像
FROM openjdk:8-alpine
#执行工作目录
WORKDIR apps
#配置参数
ARG JAR_FILE=target/*.jar
#将编译构建得到的jar文件复制到镜像空间中
COPY ${JAR_FILE} application.jar
#入口，java项目的启动命令
ENTRYPOINT java -jar application.jar