FROM ubuntu:jammy-20260210.1

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential python3 python3-pip git ca-certificates

WORKDIR /workspace

# Copy source code into container
COPY . /workspace

# Install Python dependencies (if any) - minimal; allow project to manage its own requirements
RUN python3 -m pip install --upgrade pip

# Simulated build from source (replace with actual build steps in real CI)
RUN echo "Building project from source (simulated)" 
RUN bash -lc 'echo BUILD_COMPLETE > /workspace/build_complete.txt'

CMD ["/bin/bash"]