# CUDA-free CI builder image for Foxhunt service compilation
# ~2-3GB vs ~8GB for the CUDA devel variant (Dockerfile.ci-builder)
# Contains: Rust 1.89, protoc, sccache, git, OpenSSL, clang, mold, lld, make
# Build: docker build -f infra/docker/Dockerfile.ci-builder-cpu -t foxhunt-ci-builder-cpu .
# Push:  docker tag foxhunt-ci-builder-cpu rg.fr-par.scw.cloud/foxhunt-ci/ci-builder-cpu:latest
#        docker push rg.fr-par.scw.cloud/foxhunt-ci/ci-builder-cpu:latest

FROM rust:1.89-slim-bookworm

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    curl \
    ca-certificates \
    pkg-config \
    libssl-dev \
    lld \
    clang \
    make \
    perl \
    build-essential \
    libfontconfig1-dev \
    unzip \
    && rm -rf /var/lib/apt/lists/*

# mold linker — 2-5x faster than lld for final link step on large Rust binaries
RUN curl -fsSL https://github.com/rui314/mold/releases/download/v2.35.1/mold-2.35.1-x86_64-linux.tar.gz \
    | tar xz -C /usr/local --strip-components=1 \
    && chmod +x /usr/local/bin/mold

# protoc 28.3 (proto3 optional support, matches local dev)
RUN curl -fsSL https://github.com/protocolbuffers/protobuf/releases/download/v28.3/protoc-28.3-linux-x86_64.zip -o /tmp/protoc.zip \
    && unzip -o /tmp/protoc.zip -d /usr/local bin/protoc 'include/*' \
    && rm /tmp/protoc.zip \
    && chmod +x /usr/local/bin/protoc

# sccache for S3-backed build caching
RUN curl -fsSL https://github.com/mozilla/sccache/releases/download/v0.10.0/sccache-v0.10.0-x86_64-unknown-linux-musl.tar.gz \
    | tar xz -C /usr/local/bin --strip-components=1 sccache-v0.10.0-x86_64-unknown-linux-musl/sccache \
    && chmod +x /usr/local/bin/sccache

# rclone for S3 binary uploads (compile → S3)
RUN curl -fsSL https://downloads.rclone.org/v1.69.1/rclone-v1.69.1-linux-amd64.zip -o /tmp/rclone.zip \
    && unzip -j /tmp/rclone.zip '*/rclone' -d /usr/local/bin/ \
    && rm /tmp/rclone.zip \
    && chmod +x /usr/local/bin/rclone

# clippy pre-installed
RUN rustup component add clippy

# Verify
RUN rustc --version && cargo --version && git --version && protoc --version && sccache --version && make --version && mold --version && rclone --version