Dockerfile

FROM python:3.9-slim

# Create a non-root user and set environment variables
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 /app/requirements.txt
RUN pip install --no-cache-dir -r /app/requirements.txt

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

# Command to run the Flask app
CMD ["python", "app.py"]