Dockerfile

FROM python:3.9

# User setup
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Copy requirements
COPY --chown=user requirements.txt requirements.txt

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

# Copy project files
COPY --chown=user . /app

# Expose port
EXPOSE 7860

# Run app
CMD ["python", "brain.py"]