Prerequisites:

Install Docker: Make sure Docker is installed on your system. You can download it from Docker's official site.

Install Python: Ensure you have Python installed (version 3.8+).

Install Git: If you need version control, install Git for cloning repositories or managing versions.

Steps: Step 1: Set Up Your Project Directory Open a terminal (or Git Bash). Create a directory for your Flask project and navigate into it: mkdir flask-docker-app cd flask-docker-app

Step 2: Create a Virtual Environment and Install Flask Set up a virtual environment to isolate your Python dependencies:

python3 -m venv venv source venv/bin/activate # On Windows use: venv\Scripts\activate Install Flask:

pip install Flask

Freeze your installed dependencies into a requirements.txt file:

pip freeze > requirements.txt

Step 3: Create a Simple app.py Flask Application

Step 4: Create a Dockerfile

Step 5: Build the Docker Image docker build -t flask-docker-app .

Step 6: Run the Docker Container docker run -p 5050:5050 flask-docker-app

Step 7: Test Your Flask App

Open your web browser and go to http://localhost:5050