could not load time location: unknown time zone Asia/Shanghai

在镜像中安装这个tzdata 包

FROM alpine:3.15.0
LABEL Description="gin 123"
MAINTAINER sre <me@me>
RUN echo 'https://mirrors.cloud.tencent.com/alpine/v3.13/main' > /etc/apk/repositories \
    && echo 'https://mirrors.cloud.tencent.com/alpine/v3.13/community' >>/etc/apk/repositories \
    && apk update && apk add tzdata && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    && echo "Asia/Shanghai" > /etc/timezone

WORKDIR /app
ADD gin.bin /app/gin.bin
COPY config/application.yml /app/config/application.yml
COPY static /app/static
RUN mkdir -p /app/logs &&  chmod -R 777 /app

#USER nonroot:nonroot
EXPOSE 8081
ENTRYPOINT ["/app/gin.bin"]