Docker Day 3 - Basic Docker Commands

Here’s what I practiced and learned:

1. docker --version – To check the installed Docker version

2. docker search <image-name> – To search for images on Docker Hub

3. docker pull <image-name> – To download images from Docker Hub

4. docker images – To list all locally stored images

5. docker ps – To list running containers

6. docker ps -a – To list all containers (running + stopped)

7. docker run <image> – To create and start a container from an image

8. docker stop <container-id> / docker start <container-id> – To manage container lifecycle

9. docker rm <container-id> / docker rmi <image-id> – To remove containers and images

10. docker exec -it <container-id> bash – To interact with a running container

11. docker attach <container-id> – To attach to a running container’s terminal

12. docker build -t <image-name> . – To build an image from a Dockerfile

Using these commands, I now have a better grasp of how to search, pull, run, manage, and clean up Docker containers and images—skills that form the backbone of working with containerized applications.