Dockerfile

FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

# system deps for some transformers backends (optional; keep minimal)
RUN apt-get update && apt-get install -y git build-essential && rm -rf /var/lib/apt/lists/*

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

COPY . .

EXPOSE 7860

# default model can be overridden via MODEL_ID env when launching
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]