FROM golang:1.26-alpine AS builder
ARG VERSION=dev
ARG COMMIT=none
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 go build \
    -ldflags "-s -w -X main.version=${VERSION} -X main.commit=${COMMIT}" \
    -o /octopus_exporter ./cmd/octopus_exporter

FROM scratch
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=builder /octopus_exporter /octopus_exporter
USER 65534:65534
EXPOSE 9359
ENTRYPOINT ["/octopus_exporter"]