fix: dockerfile

Author: go-bai

Dockerfile

@@ -1,12 +1,12 @@
-FROM golang:1.20 AS builder
+FROM golang:1.20-alpine AS builder
 RUN apk --no-cache add tzdata
 WORKDIR /build
 COPY . .
 RUN go mod tidy && go build -ldflags "-s -w" -o main
 
 
 FROM scratch
-COPY --from=builder /user/share/zoneinfo /user/share/zoneinfo
+COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
 COPY --from=builder /build/conf conf
 COPY --from=builder /build/main /
 ENV TZ=Asia/Shanghai