# Use the Rust 1.82 image based on Debian Bullseye
FROM rust:1.82-bullseye@sha256:c42c8ca762560c182ba30edda0e0d71a8604040af2672370559d7e854653c66d AS builder

# Install specific version of libclang-dev
RUN apt-get update && apt-get install -y libclang-dev=1:11.0-51+nmu5

# Clone the repository at the specific branch
RUN git clone https://github.com/paradigmxyz/reth /app
WORKDIR /app

# Checkout the reproducible-build branch
RUN git checkout reproducible-build

# Get the latest commit timestamp and set SOURCE_DATE_EPOCH
RUN SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct) && \
    echo "SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH" >> /etc/environment

# Set environment variables for reproducibility
ARG RUSTFLAGS="-C target-feature=+crt-static -C link-arg=-Wl,--build-id=none -Clink-arg=-static-libgcc -C metadata='' --remap-path-prefix $(pwd)=."
ENV SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH \
    CARGO_INCREMENTAL=0 \
    LC_ALL=C \
    TZ=UTC \
    RUSTFLAGS="${RUSTFLAGS}"

# Set the default features if not provided
ARG FEATURES="jemalloc asm-keccak"

# Build the project with the reproducible settings
RUN . /etc/environment && \
    cargo build --bin reth --features "${FEATURES}" --profile "reproducible" --locked --target x86_64-unknown-linux-gnu

# Create a minimal final image with just the binary
FROM scratch AS binaries

# Copy the compiled binary from the builder stage
COPY --from=builder /app/target/x86_64-unknown-linux-gnu/reproducible/reth /reth