FROM rust:1.95 AS builder
WORKDIR /git

# Copy manifest to leverage Docker layer caching when dependencies exist
COPY Cargo.toml .

# Copy the rest of the source code
COPY . .

# Build the static library from source
RUN cargo build --release

FROM debian:stable-slim AS runtime

# Install minimal runtime dependencies (staticlib does not require runtime, but include tools for inspection)
RUN apt-get update \
    && apt-get install -y --no-install-recommends ca-certificates binutils \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /git

# Copy the static library from the builder stage
COPY --from=builder /git/target/release/libgitcore.a /usr/local/lib/libgitcore.a

# Default to an interactive shell so the container can be used as a library package
CMD ["/bin/bash"]