Dockerfile.dpf-system

ARG builder_image
ARG base_image

# 1) Firmware download stage - separate to cache this expensive download
FROM --platform=${BUILDPLATFORM} ${builder_image} AS firmware
# Download the bf3 firmware package
RUN curl --proto "=https" --tlsv1.2 -L https://linux.mellanox.com/public/repo/bluefield/BMC/BF3/bmc/24.10-17/bf3-bmc-24.10-17_opn.fwpkg -o /tmp/bf3-bmc.fwpkg

# 2) Builder stage - vendor dependencies and build binaries
FROM --platform=${BUILDPLATFORM} ${builder_image} AS builder
WORKDIR /workspace

ARG gcflags
ARG ldflags
ARG TARGETARCH

ENV GO_LDFLAGS=${ldflags}
ENV GO_GCFLAGS=${gcflags}
ENV ARCH=${TARGETARCH}

# Copy source files
COPY go.mod go.sum ./
COPY third_party/ third_party/
COPY api/ api/
COPY cmd/ cmd/
COPY test/ test/
COPY internal/ internal/
COPY pkg/ pkg/

# Vendor dependencies first
RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    go mod vendor

RUN --mount=type=cache,target=/root/.cache/go-build \
    --mount=type=bind,source=Makefile,target=Makefile \
    --mount=type=bind,source=hack/tools/tools.mk,target=hack/tools/tools.mk \
    GOFLAGS="-mod=vendor" make binaries-dpf-system

# Copy the go source code so it can be distributed in the final image.
RUN mkdir src && \
    find . -name '*.go' -not -path "./hack/*" -not -path "./.gocache/*" \
    -exec cp --parents \{\}  src/ \; && \
    tar -czf source-code.tar.gz src

# 3) Version stage to create the DPF version file.
FROM ${builder_image} AS version
ARG TAG
# Write the DPF version file (separate stage to preserve builder cache when only TAG changes).
# The command echo is not present in the final image so this stage is needed.
RUN echo "${TAG}" > /tmp/dpf-version

# 4) Final stage copies artefacts from previous stages.
FROM ${base_image}
ARG TARGETARCH

WORKDIR /

# Ensure all files are copied with the correct user.
ENV uid=65532
USER ${uid}:${uid}

COPY --chown=${uid} --from=builder /workspace/source-code.tar.gz source-code.tar.gz
COPY --chown=${uid} --from=builder /workspace/bin/ .
COPY --chown=root:root --chmod=755 --from=firmware /tmp/bf3-bmc.fwpkg .
COPY --chown=root:root build/defaults.yaml /etc/dpf-defaults.yaml
COPY --chown=root:root --from=version /tmp/dpf-version /etc/dpf-version