# Stage 1: Build the backend binary
FROM rust:1.82-slim AS builder
RUN apt-get update && apt-get install -y pkg-config libssl-dev && rm -rf /var/lib/apt/lists/*
WORKDIR /app
COPY Cargo.toml Cargo.lock ./
COPY crates/ crates/
RUN cargo build --release --bin mass-driver-backend

# Stage 2: Minimal runtime image
FROM debian:bookworm-slim
RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
COPY --from=builder /app/target/release/mass-driver-backend /usr/local/bin/mass-driver-backend
EXPOSE 3001
CMD ["mass-driver-backend"]