FROM swift:6.2

# Build and runtime container for SwiftProtobuf project
# This container builds the project from source using the provided Makefile.
# It installs necessary system dependencies (git, make, g++, etc.), fetches
# the repository (including submodules), builds via `make build`, and leaves
# an interactive shell as CMD.

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        git \
        make \
        g++ \
        cmake \
        pkg-config \
        libssl-dev \
        ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# Working directory for the repository
WORKDIR /workspace

# Clean workspace in case any previous content exists
RUN rm -rf /workspace/* || true

# Clone the repository including submodules
# This ensures all generated sources (e.g., protoc, SwiftProtobuf plugin) are present
RUN git clone --depth 1 --recursive https://github.com/apple/swift-protobuf.git /workspace

# Build the project from source using the repository's Makefile
RUN make build

# Default to an interactive shell when the container runs
CMD ["/bin/bash"]