FROM python:3.9-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Set up cache directory
RUN mkdir -p /app/cache && chmod -R 777 /app/cache
ENV HF_HOME=/app/cache

# Set environment variables for proper eventlet operation
ENV PYTHONUNBUFFERED=1
ENV EVENTLET_NO_GREENDNS=yes
ENV EVENTLET_THREADPOOL_SIZE=32
ENV EVENTLET_WEBSOCKET_MONITOR_TIMEOUT=60
ENV GUNICORN_CMD_ARGS="--worker-class eventlet --workers 1 --timeout 300 --keep-alive 65 --log-level debug --access-logfile - --error-logfile -"

# Copy application files
COPY . /app

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

# Expose port
EXPOSE 7860

# Modified command to use explicit configuration
CMD ["gunicorn", \
     "--worker-class", "eventlet", \
     "--workers", "1", \
     "--worker-connections", "1000", \
     "--timeout", "300", \
     "--keep-alive", "65", \
     "--bind", "0.0.0.0:7860", \
     "--log-level", "debug", \
     "--access-logfile", "-", \
     "--error-logfile", "-", \
     "app:app"]