# Blackwall eBPF programs — init container
# Builds the BPF object file with nightly + bpfel target
FROM rust:1.87-bookworm AS builder
RUN rustup toolchain install nightly \
    && rustup component add rust-src --toolchain nightly
WORKDIR /build
COPY . .
RUN cd blackwall-ebpf && \
    cargo +nightly build \
    --target bpfel-unknown-none \
    -Z build-std=core \
    --release

# Stage 2: Tiny image with just the BPF binary
FROM busybox:1.37
COPY --from=builder /build/target/bpfel-unknown-none/release/blackwall-ebpf /opt/blackwall/blackwall-ebpf