Dockerfile

FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends     build-essential     && rm -rf /var/lib/apt/lists/*

# Create user
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user     PATH=/home/user/.local/bin:$PATH     PYTHONUNBUFFERED=1

WORKDIR $HOME/app

# Copy requirements
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY --chown=user . .

# Expose port 7860
EXPOSE 7860

# Run FastAPI via Uvicorn
CMD ["uvicorn", "api_server:app", "--host", "0.0.0.0", "--port", "7860"]