# The secret broker: its own minimal image, its own process boundary.
# Shares the builder pattern with the server image; ships ONLY the broker
# binary.
FROM rust:1-bookworm AS builder
# git + cmake are needed for the clawhdf5 git dependency (fetched via the git
# CLI — libgit2 chokes on Gitea smart-HTTP) and its zlib-ng C build (cmake).
RUN case "$(uname -m)" in \
      aarch64) echo aarch64-unknown-linux-musl > /rust-target ;; \
      *)       echo x86_64-unknown-linux-musl > /rust-target ;; \
    esac \
    && rustup target add "$(cat /rust-target)" \
    && apt-get update \
    && apt-get install -y --no-install-recommends musl-tools git cmake make pkg-config \
    && rm -rf /var/lib/apt/lists/*
WORKDIR /src
COPY Cargo.toml Cargo.lock rust-toolchain.toml ./
COPY crates ./crates
COPY tools ./tools
COPY images/seccomp ./images/seccomp
COPY migrations ./migrations
COPY .sqlx ./.sqlx
ENV SQLX_OFFLINE=true
# Fetch git deps with the system git (libgit2 fails against Gitea smart-HTTP);
# build the zlib-ng C dep with the musl cross compiler for the static target.
ENV CARGO_NET_GIT_FETCH_WITH_CLI=true \
    CC_x86_64_unknown_linux_musl=musl-gcc \
    CC_aarch64_unknown_linux_musl=musl-gcc
RUN cargo build --release --target "$(cat /rust-target)" -p clawmates-broker \
    && cp "target/$(cat /rust-target)/release/clawmates-broker" /clawmates-broker

FROM scratch
COPY --from=builder /clawmates-broker /clawmates-broker
USER 10001:10001
ENTRYPOINT ["/clawmates-broker"]