dockerfile

# Base image with Python 3.9
FROM python:3.9

# Create a user and set permissions
RUN useradd -m -u 1000 user

# Set the working directory in the container
WORKDIR /app

# Copy requirements file and set ownership
COPY --chown=user ./requirements.txt requirements.txt

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

# Copy the entire application directory and set ownership
COPY --chown=user . /app

# Expose Flask default port
EXPOSE 5000

# Run the Flask app
CMD ["python", "app.py"]