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CC Dockerlab

This document provides a step-by-step guide on downloading and installing Docker CLI on Windows, creating a Docker container, and running a Python file within that container. It includes instructions for pulling an image, building a Docker image from a Python script, and running the container to see the output. Additionally, it covers how to modify the program and manage containers and images.

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123sanjaypurohit
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5 views2 pages

CC Dockerlab

This document provides a step-by-step guide on downloading and installing Docker CLI on Windows, creating a Docker container, and running a Python file within that container. It includes instructions for pulling an image, building a Docker image from a Python script, and running the container to see the output. Additionally, it covers how to modify the program and manage containers and images.

Uploaded by

123sanjaypurohit
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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1.

Download docker cli


1. Go to: https://www.docker.com/products/docker-desktop
2. Click Download for Windows.
3. Run the downloaded .exe installer.
4. Follow the install wizard steps.
5. Make sure WSL 2 is enabled when prompted.
6. Restart your PC after installation.
7. Open PowerShell or CMD.
8. Check version: docker --version
9. Test Docker: docker run hello-world
10. You’re ready to use Docker CLI on Windows!

2.creating a container in docker cli


A: Open Terminal / CMD / PowerShell.
B:Make sure Docker is running.
C: Pull an image (e.g., Ubuntu):
docker pull ubuntu
D: Check image is downloaded:
docker images
E: Run a container:
docker run -it ubuntu
F: You're now inside the container (interactive shell).
G: Run commands inside it, e.g.: apt update
H:Exit the container: type exit

3:running python file


1:Create a file named add.py with this content:
a=5
b=3
print("Sum:", a + b)

2:Create a file named Dockerfile in the same folder:


FROM python:3.9
COPY add.py /app/add.py
WORKDIR /app
CMD ["python", "add.py"]

3: Open terminal in that folder.


4: Build the Docker image:
~ $ docker build -t python-add .

5:Verify the image was built:


~ $ docker images

6:Run the container:


~ $ docker run python-add

7: You’ll see: Sum: 8 🎉


8: To modify the program, edit add.py and rebuild the image.
9: Check container history (optional):
~ $ docker ps -a

10:Remove container/image if needed:

~ $ docker rm <container_id> && docker rmi python-add

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