Dockerfile

FROM python:3.11-slim

WORKDIR /app

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

# Copy app
COPY . .

# Init DB on build
RUN python -c "from app import init_db; init_db()"

EXPOSE 7860

# 1 worker for SQLite safety, 8 threads for concurrency, long timeout for streaming
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "1", "--threads", "8", "--timeout", "300", "app:app"]