FROM python:3.12-slim

# Install build dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Set working directory
WORKDIR /app

# Copy project files
COPY . .

# Install PyYAML and websockets into __pypackages__/3.12/lib
RUN mkdir -p __pypackages__/3.12/lib && \
    PYTHONPATH=__pypackages__/3.12/lib \
    pip install --no-cache-dir --target=__pypackages__/3.12/lib \
    PyYAML==6.0.2 websockets==15.0.1

# Build the web version
RUN pygbag --build main.py

# Expose the desired port
EXPOSE 3010

# Serve the build output
WORKDIR /app/build/web
CMD ["python", "-m", "http.server", "3010"]