dockerfile fix

@@ -17,6 +17,7 @@ RUN GOOS=linux CGO_ENABLED=0 go build -ldflags="-s -w" -installsuffix cgo -o opp
 
 
 #FROM scratch
 #FROM scratch
 FROM alpine:latest
 FROM alpine:latest
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
 RUN apk add --no-cache tzdata \
 RUN apk add --no-cache tzdata \
     && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && echo "Asia/Shanghai" > /etc/timezone \
     && echo "Asia/Shanghai" > /etc/timezone \