# Use Python as the base image
FROM python:3.8

# Set the working directory
WORKDIR /app

# Copy the project files
COPY . /app

# Ensure writable directories exist at build time
RUN mkdir -p /app/static && chmod -R 777 /app/static

# Install system dependencies for OpenCV, GL, and FontConfig
RUN apt-get update && apt-get install -y \
    libgl1-mesa-glx \
    libglib2.0-0 \
    fontconfig && \
    rm -rf /var/lib/apt/lists/*  # Clean up to reduce image size

# Set environment variables to fix Matplotlib cache errors
ENV MPLCONFIGDIR=/app/matplotlib_cache
RUN mkdir -p /app/matplotlib_cache && chmod -R 777 /app/matplotlib_cache

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

# Expose port 7860
EXPOSE 7860

# Run the Flask app
CMD ["python", "app.py"]