FROM python:3.11-slim

WORKDIR /app

# System deps for OpenCV headless + general runtime
RUN apt-get update && apt-get install -y \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgl1 \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for layer caching
COPY requirements.txt .

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

# Copy the rest of the project
COPY . .

# Create runtime directories
RUN mkdir -p temp_uploads weights

# HuggingFace Spaces uses port 7860
EXPOSE 7860

CMD ["uvicorn", "api:app", "--host", "0.0.0.0", "--port", "7860"]