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FROM openjdk:17-jdk
VOLUME /tmp
#拷贝打包后的jar包并且重命名
ADD build/libs/*.jar app.jar
#容器外露到服务器的端口
EXPOSE 8080
# 为了缩短 Tomcat 的启动时间，添加java.security.egd的系统属性指向/dev/urandom作为 ENTRYPOINT
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom", "-Dserver.port=8080","-jar","/app.jar"]
