Dockerfile

FROM python:3.9-slim

# Set up non-root user
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# Set working directory
WORKDIR /app

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

# Copy all application code
COPY --chown=user . /app

# Expose required port
EXPOSE 7860

# Run the Flask app using Gunicorn
CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app"]