Dockerfile

# Dockerfile
FROM python:3.10-slim

# create non-root user (Spaces prefers UID 1000)
RUN useradd -m -u 1000 appuser

# copy files
WORKDIR /app
COPY . /app

# install system deps if needed
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential git-lfs && \
    rm -rf /var/lib/apt/lists/*

# install python deps
RUN pip install --upgrade pip
RUN pip install --no-cache-dir -r /app/requirements.txt

# expose the port Spaces expects
ENV PORT=7860
EXPOSE 7860

# run uvicorn (app:app must be your FastAPI object)
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]