Debug Mode On in Flask when deployed with Docker in Local

I am working on a Flask project which I used to run locally before in debug mode with the simple flask run command.

Now, I have to switch to a Docker environment. I am new to Docker. I have installed Docker Desktop for my Windows machine.

The commands I use to run my project locally are: docker-compose build and docker-compose up. As you may expect, the build takes a long time.

Now, when I make changes, the project doesn't reflect my recent changes without a new build. What should I do to have a live demo for debugging like local Flask deployment gave me?

This is my DOCKERFILE:

FROM python:3.12

WORKDIR /app

RUN apt-get -y update && apt-get install -y curl gnupg
RUN curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
RUN curl https://packages.microsoft.com/config/debian/11/prod.list > /etc/apt/sources.list.d/mssql-release.list
RUN apt-get -y update && ACCEPT_EULA=Y apt-get install -y msodbcsql18

RUN apt-get install -y \
    wkhtmltopdf \
    xvfb \
    libfontconfig \
    libxrender1 \
    libjpeg62-turbo

COPY requirements.txt requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

CMD ["python", "run.py"]

I read that 'Bind Mounts' could help in this in some way but the documentation doesn't really shed much light on my use case.

My run.py file:

import os
from app import app, db

with app.app_context():
    db.create_all() # Create defined SQL DB Tables
    
if __name__ == '__main__':
    if os.name == 'nt':
        app.run(host='0.0.0.0', port=5000, debug=True, ssl_context=('xyz.crt', 'xyz.key'))
    else:
        import subprocess

        cmd = ['gunicorn', '-w', '1', '--threads', '10', '-b', '0.0.0.0:5000', '--certfile', 'xyz.crt', '--keyfile', 'xyz.key', '--timeout', '300', 'app:app']
        subprocess.call(cmd)