ARG IMAGE=scratch ARG OS=linux ARG ARCH=amd64 FROM golang:1.21.2-alpine3.17 as builder WORKDIR /go/src/github.com/eko/pihole-exporter COPY . . RUN apk --no-cache add git alpine-sdk RUN GO111MODULE=on go mod vendor RUN CGO_ENABLED=0 GOOS=$OS GOARCH=$ARCH go build -ldflags '-s -w' -o binary ./ FROM $IMAGE LABEL name="pihole-exporter" WORKDIR /root/ COPY --from=builder /go/src/github.com/eko/pihole-exporter/binary pihole-exporter CMD ["./pihole-exporter"]