🐳 Work about Docker. 修改docker 时区问题

pigx-visual/pigx-codegen/Dockerfile

@@ -2,7 +2,9 @@ FROM java:8-jre
 
 MAINTAINER wangiegie@gmail.com
 
-RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
+ENV TZ=Asia/Shanghai
+
+RUN ln -sf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
 RUN mkdir -p /pigx-codegen