FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    build-essential \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Create cache directory with proper permissions
RUN mkdir -p /app/.cache && chmod 777 /app/.cache

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY . .

# Expose port 7860 (HF Spaces standard)
EXPOSE 7860

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PORT=7860
ENV HF_HOME=/app/.cache
ENV HF_DATASETS_CACHE=/app/.cache
ENV TRANSFORMERS_CACHE=/app/.cache
ENV NUMBA_CACHE_DIR=/app/.cache/numba
ENV NUMBA_DISABLE_JIT=1

# Run the FastAPI application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]