ARG RUST_IMAGE=rust:1-bookworm
FROM --platform=$BUILDPLATFORM ${RUST_IMAGE} AS builder

ARG RUST_TARGET=x86_64-unknown-linux-gnu

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        ca-certificates \
        gcc-aarch64-linux-gnu \
        libc6-dev-arm64-cross \
    && rm -rf /var/lib/apt/lists/*

RUN rustup target add ${RUST_TARGET}

ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc

COPY Cargo.toml Cargo.lock ./
COPY src ./src

RUN cargo build --release --target ${RUST_TARGET} \
    && mkdir -p /out \
    && cp target/${RUST_TARGET}/release/cdxs /out/cdxs