FROM python:3.9-slim

WORKDIR /app

# Set matplotlib config directory to a writable location
ENV MPLCONFIGDIR=/tmp/matplotlib

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    build-essential \
    ffmpeg \
    libsm6 \
    libxext6 \
    libgl1-mesa-glx \
    && apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Copy requirements first for better layer caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Create an empty startup script
RUN echo "current_example = 'selector'" > startup.py

# Copy application file
COPY app.py .

# Set proper permissions
RUN chmod 777 /app
RUN chmod 777 /app/startup.py

# Expose port for Gradio
EXPOSE 7860

# Command to run the application
CMD ["python", "app.py"]