diff --git a/Dockerfile b/Dockerfile
index 76329931e33d17dfa24824f75b0c7e53daa9127b..2d5dbe03ebacb415541d9f8437a124ba19d592fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,7 @@
-FROM registry.cn-hangzhou.aliyuncs.com/devops_hu/maven:3.5.2
+#
+# 优化精简镜像体积，比之前的小一半
+#
+FROM registry.cn-hangzhou.aliyuncs.com/devops_hu/maven:3.5.2 as build
 
 ARG USER_HOME_DIR="/root"
 
@@ -11,6 +14,30 @@ RUN chmod 755 ${USER_HOME_DIR}/bin/*.sh \
     && mvn install \
     && rm -rf /tmp/* /var/cache/apk/*
 
+
+## 使用官方最精简jre镜像
+FROM amd64/openjdk:11-jre-slim
+
+maintainer 红薯 <winter.lau@163.com> \
+      name="kooder" \
+      version="1.0.beta4" \
+      description="Kooder is an open source code search project" \
+      homepage="https://gitee.com/koode/kooder.git"
+
+## 将应用发布到opt下
+ARG USER_HOME_DIR="/opt/kooder"
+
+WORKDIR ${USER_HOME_DIR}
+
+RUN mkdir -p ${USER_HOME_DIR}
+## 只将有用的文件复制过来
+COPY --from=build /root/bin ${USER_HOME_DIR}/bin
+COPY --from=build /root/lib ${USER_HOME_DIR}/lib
+COPY --from=build /root/kooder.properties ${USER_HOME_DIR}/kooder.properties
+COPY --from=build /root/gateway/target/classes ${USER_HOME_DIR}/gateway/target/classes
+## 启动文件修改一下路径地址，不影响原代码
+RUN sed -i 's/root/opt\/kooder/g' ${USER_HOME_DIR}bin/gatewaydocker.sh
+
 EXPOSE 8080
 
-CMD ["/root/bin/gatewaydocker.sh"]
+CMD ["/opt/kooder/bin/gatewaydocker.sh"]