feat: add timezone info

build/local.Dockerfile

@@ -6,6 +6,15 @@ RUN sed -i s@/security.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list
 RUN apt-get clean && apt-get update && apt-get install -y wget dnsutils vim curl  \
     net-tools iptables iputils-ping lsof iproute2 tcpdump binutils traceroute
 
+ENV TZ=Asia/Shanghai \
+    DEBIAN_FRONTEND=noninteractive
+RUN apt update \
+    && apt install -y tzdata \
+    && ln -fs /usr/share/zoneinfo/${TZ} /etc/localtime \
+    && echo ${TZ} > /etc/timezone \
+    && dpkg-reconfigure --frontend noninteractive tzdata \
+    && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /app
 
 COPY bin/kubevpn /usr/local/bin/kubevpn