FROM golang:alpine3.21 AS build
ENV CGO_ENABLED=1
RUN apk add --no-cache gcc musl-dev
WORKDIR /workspace
COPY go.mod /workspace/
COPY go.sum /workspace/
RUN go mod download
COPY main.go /workspace/
ENV GOCACHE=/root/.cache/go-build
RUN --mount=type=cache,target="/root/.cache/go-build" go install -ldflags='-s -w -extldflags "-static"' ./main.go

FROM scratch
COPY --from=build /go/bin/main /usr/local/bin/didadmin
COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
ENTRYPOINT [ "/usr/local/bin/didadmin" ]