FROM golang:1.23.1 AS builder WORKDIR /app ENV GO111MODULE=on COPY ../../src/Guestbooky-backup/ . RUN go mod download RUN go build -o guestbooky-backup cmd/guestbooky-backup/guestbooky-backup.go FROM alpine:latest WORKDIR /root/ COPY --from=builder /app/guestbooky-backup . RUN chmod +x guestbooky-backup CMD ["./guestbooky-backup"]