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FROM openjdk:21 AS runner
# WORKDIR指令用于设置容器内部的工作目录，即后续指令执行时的当前目录。当Docker容器启动并执行命令时，这些命令将在WORKDIR指定的目录中执行。
WORKDIR /root
# ENV TZ这样的用法通常是用来设置时区环境变量，TZ代表Time Zone
ENV TZ=Asia/Shanghai
# 将target文件夹下的jar包gw-charge.jar复制到容器的/root目录下
COPY ./ZhuQue /root/ZhuQue
#设置这个环境变量后，您可以在Docker容器中启动Java应用程序时使用这些参数。
ENV JAVA_OPTS="-Xms2048m -Xmx4096m"
ENTRYPOINT [ "sh", "-c", "java $JAVA_OPTS -cp /root/ZhuQue/target/classes:/root/ZhuQue/lib/* com.dsideal.ZhuQue.Start" ]
