Dockerfile.riscv64.binary

# syntax=docker/dockerfile:1.7-labs

FROM rust:bookworm AS builder

ARG BUILD_PROFILE=release
# Fast local/test release override. Buildroot still uses Cargo.toml release profile.
# Set FAST_RELEASE=false to use the full release profile from Cargo.toml.
ARG FAST_RELEASE=true
ARG FAST_RELEASE_LTO=false
ARG FAST_RELEASE_CODEGEN_UNITS=16

RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    pkg-config \
    gcc-riscv64-linux-gnu \
    g++-riscv64-linux-gnu \
    libc6-dev-riscv64-cross \
    && rm -rf /var/lib/apt/lists/*

RUN rustup target add riscv64gc-unknown-linux-gnu

WORKDIR /usr/src/app

COPY Cargo.toml Cargo.lock build.rs ./
COPY src/protos ./src/protos

RUN mkdir -p src && printf 'fn main() {}\n' > src/main.rs

RUN --mount=type=cache,target=/usr/local/cargo/registry \
    --mount=type=cache,target=/usr/local/cargo/git \
    if [ "${BUILD_PROFILE}" = "release" ]; then \
        if [ "${FAST_RELEASE}" = "true" ]; then \
            CARGO_PROFILE_RELEASE_LTO="${FAST_RELEASE_LTO}" \
            CARGO_PROFILE_RELEASE_CODEGEN_UNITS="${FAST_RELEASE_CODEGEN_UNITS}" \
            cargo build --release --target riscv64gc-unknown-linux-gnu || true; \
        else \
            cargo build --release --target riscv64gc-unknown-linux-gnu || true; \
        fi; \
    else \
        cargo build --target riscv64gc-unknown-linux-gnu || true; \
    fi

COPY . .

RUN --mount=type=cache,target=/usr/local/cargo/registry \
    --mount=type=cache,target=/usr/local/cargo/git \
    mkdir -p /out && \
    if [ "${BUILD_PROFILE}" = "release" ]; then \
        if [ "${FAST_RELEASE}" = "true" ]; then \
            CARGO_PROFILE_RELEASE_LTO="${FAST_RELEASE_LTO}" \
            CARGO_PROFILE_RELEASE_CODEGEN_UNITS="${FAST_RELEASE_CODEGEN_UNITS}" \
            cargo build --release --target riscv64gc-unknown-linux-gnu; \
        else \
            cargo build --release --target riscv64gc-unknown-linux-gnu; \
        fi && \
        cp target/riscv64gc-unknown-linux-gnu/release/aa-proxy-rs /out/aa-proxy-rs; \
    else \
        cargo build --target riscv64gc-unknown-linux-gnu && \
        cp target/riscv64gc-unknown-linux-gnu/debug/aa-proxy-rs /out/aa-proxy-rs; \
    fi

FROM scratch AS export
COPY --from=builder /out/aa-proxy-rs /aa-proxy-rs

# DOCKER_BUILDKIT=1 docker build -f Dockerfile.riscv64.binary --target export --output type=local,dest=./output --build-arg BUILD_PROFILE=release .