在构建镜像的过程中安装字体管理器和中文字体

1. 构建jre镜像，参考这篇文章：
   Docker构建自定义的Java镜像：https://blog.csdn.net/zimou5581/article/details/9402274

2. 如何安装中文字体，参考这篇文章
   如何给dcoker容器里的alpine系统安装中文字体：https://blog.csdn.net/zimou5581/article/details/101368129

3. 文件目录如图
   

4. 构建镜像的Dockerfile

   # using alpine-glibc instead of alpine  is mainly because JDK relies on glibc
   FROM docker.io/jeanblanchard/alpine-glibc
   # author
   MAINTAINER ygsama@qq.com
   # A streamlined jre
   ADD jre8.tar.gz /usr/java/jdk/
   ADD msyhbd.ttc  /opt/
   ADD msyhl.ttc   /opt/
   ADD msyh.ttc    /opt/
   ADD simhei.ttf  /opt/
   ADD simkai.ttf  /opt/
   ADD simsun.ttc  /opt/
   # set env
   ENV JAVA_HOME /usr/java/jdk
   ENV PATH ${PATH}:${JAVA_HOME}/bin
   ENV CLASSPATH ${CLASSPATH}:${JAVA_HOME}/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
   # run container with base path:/opt
   WORKDIR /opt
   # install font
   RUN apk add font-adobe-100dpi \
       && chmod 777 *.ttc \
       && chmod 777 *.ttf \
       && mkdir /usr/share/fonts/win \
       && mv msyhbd.ttc /usr/share/fonts/win/  \
       && mv msyhl.ttc  /usr/share/fonts/win/  \
       && mv msyh.ttc   /usr/share/fonts/win/  \
       && mv simhei.ttf /usr/share/fonts/win/  \
       && mv simkai.ttf /usr/share/fonts/win/  \
       && mv simsun.ttc /usr/share/fonts/win/  \
       && fc-cache -f \
       && fc-list