Dockerfile

FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /code

# Install system dependencies (only if needed)
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first
COPY requirements.txt .

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

# Copy full project
COPY . .

# Hugging Face requires port 7860
EXPOSE 7860

# Since main.py is in root:
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]