# Build stage
FROM rust:1.89-slim-bookworm AS builder
WORKDIR /app
RUN apt-get update && apt-get install -y pkg-config libssl-dev && rm -rf /var/lib/apt/lists/*
COPY Cargo.toml Cargo.lock ./
COPY src ./src
RUN cargo build --release

# Runtime stage
FROM debian:bookworm-slim
RUN apt-get update && apt-get install -y ca-certificates libssl3 && rm -rf /var/lib/apt/lists/*
COPY --from=builder /app/target/release/backend /usr/local/bin/backend
EXPOSE 3000
CMD ["backend"]