Docker:

1. For your PC/ MAC OS, get the software from https://www.docker.com/get-started/ 

2. Install Docker

3. For the docker to run properly, WSL is needed that too updated version. 

open command prompt, type

wsl --update

6. docker --version

7. docker run hello-world

(if that is not available, it will pull the IMAGE from cloud)

8. python 3.11 required for this; check using below command; if python3.11 is not available, then it is pulled from python server

docker run -it python:3.11

if already python 3.11 is available, it shows as below:

ptyhon 3.11 must be successfully installed as of now/ shown above. 

9. docker run -d -p 8080:80 nginx

(if nginx is already available, it executes/ pull from server and then executes;

if you double check the same command, it might show error/warning, which is evident as the port was already allocated in previous step9 initially by the command docker run -d -p 8080:80 nginx ; Discard that warning. 

10. open a browser and in address bar, type this http://localhost:8080 and press enter

11. docker ps

(this command in cmd shows the containers running)

OR

docker ps -a

(this command shows all containers)

Kubernetes:

Kubernetes, also known as K8s, is an open source system for automating deployment, scaling, and management of containerized applications.

Within Docker app, there is Kubernetes in-built.