# Use slim Python base
FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

# System deps for OpenCV and PIL
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    ffmpeg \
    libsm6 \
    libxext6 \
    && rm -rf /var/lib/apt/lists/*

# Copy project
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt
COPY . .

# Ensure writable dirs for API
RUN mkdir -p /data/uploads /data/outputs && chmod -R 777 /data

# Expose HF Spaces default port
EXPOSE 7860

# Start FastAPI
CMD ["python3", "-m", "uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "7860"]