修改alpine源为阿里云

FROM alpine

WORKDIR /home


RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories && \
  apk update && \
  apk upgrade && \
  apk add ca-certificates && update-ca-certificates && \
  apk add --update tzdata && \
  rm -rf /var/cache/apk/*

COPY app /home/

ENV TZ=Asia/Shanghai

EXPOSE 8080

ENTRYPOINT ./app