Dockerfile 构建修改

@@ -13,7 +13,11 @@ RUN go mod tidy
 RUN GOOS=linux CGO_ENABLED=0 go build -ldflags="-s -w" -o godevp .
 RUN GOOS=linux CGO_ENABLED=0 go build -ldflags="-s -w" -o godevp .
 
 
 FROM alpine:latest
 FROM alpine:latest
-RUN ["ln","-sf","/usr/share/zoneinfo/Asia/Shanghai","/etc/localtime"]
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
+    && apk add --no-cache tzdata \
+    && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && echo "Asia/Shanghai" > /etc/timezone \
+    && rm -rf /var/cache/apk/* /tmp/* /var/tmp/* $HOME/.cache ## 清除缓存
 WORKDIR /root/
 WORKDIR /root/
 COPY --from=builder /go/src/godevp .
 COPY --from=builder /go/src/godevp .
 EXPOSE 8082
 EXPOSE 8082