FROM golang:1.24-alpine AS builder

ARG TELEBIT_REF=master
ARG TARGETOS=linux
ARG TARGETARCH=amd64

RUN apk add --no-cache git

WORKDIR /src
RUN git clone --depth 1 --branch "${TELEBIT_REF}" https://github.com/therootcompany/telebit.git .

RUN go generate -mod=vendor ./...

# The upstream vendored x/net revision does not build on current macOS toolchains.
RUN go get golang.org/x/net@v0.40.0

RUN CGO_ENABLED=0 GOOS="${TARGETOS}" GOARCH="${TARGETARCH}" go build -mod=mod -o /out/telebit ./cmd/telebit
RUN CGO_ENABLED=0 GOOS="${TARGETOS}" GOARCH="${TARGETARCH}" go build -mod=mod -o /out/signjwt ./cmd/signjwt

FROM scratch AS export
COPY --from=builder /out/ /