FROM scratch AS builder

ARG BUILDPLATFORM
ARG BUILDARCH
ARG TARGETPLATFORM
ARG TARGETARCH

ADD .artifacts/alpine-minirootfs-$BUILDARCH.tar.gz /

COPY .artifacts/go.tar.gz /tmp/go.tar.gz
RUN tar -C /usr/local -xzf /tmp/go.tar.gz
ENV PATH="/usr/local/go/bin:$PATH"

WORKDIR /workspace

COPY go.mod go.sum ./
RUN go mod download -x

COPY . .

RUN GOARCH=$TARGETARCH go build -o func-util -trimpath -ldflags '-w -s' ./cmd/func-util

#########################

FROM scratch

ARG TARGETARCH

ADD .artifacts/alpine-minirootfs-$TARGETARCH.tar.gz /

RUN apk add --no-cache tar

COPY --from=builder /workspace/func-util /usr/local/bin/
RUN ln -s /usr/local/bin/func-util /usr/local/bin/deploy && \
    ln -s /usr/local/bin/func-util /usr/local/bin/scaffold && \
    ln -s /usr/local/bin/func-util /usr/local/bin/s2i && \
    ln -s /usr/local/bin/func-util /usr/local/bin/sh && \
    ln -s /usr/local/bin/func-util /usr/local/bin/socat

LABEL \
   org.opencontainers.image.description="Knative Func Utils Image" \
   org.opencontainers.image.source="https://github.com/knative/func" \
   org.opencontainers.image.vendor="https://github.com/knative/func" \
   org.opencontainers.image.url="https://github.com/knative/func/pkgs/container/func-utils"

USER 0:0