Docker HandsOn 🚀

This repository contains my hands-on practice and revision notes for Docker.
It includes commands, outputs, and experiments with images, containers, and networking.

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📌 Overview

• Practiced pulling and running Docker images (nginx, python).
• Explored container lifecycle: start, stop, remove, restart.
• Worked with port mapping (-p 8080:80) to access services locally.
• Used docker exec to interact with containers and create files/directories.
• Learned about auto-removal containers (--rm) and naming containers (--name).
• Inspected container details using docker inspect.

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🛠 Commands Practiced

Basic Commands

• docker -v → Check Docker version
• docker pull nginx → Pull latest Nginx image
• docker image ls → List available images
• docker ps / docker ps -a → List running/all containers

Running Containers

• docker run nginx:latest → Run Nginx interactively
• docker run -d nginx → Run Nginx in detached mode
• docker run -d --rm --name nc -p 8080:80 nginx → Run Nginx with auto-remove, custom name, and port mapping

Container Management

• docker stop <container_name> → Stop a container
• docker start <container_name> → Restart a stopped container
• docker rm <container_name> → Remove a container
• docker rm -f <container_name> → Force remove a running container

Debugging & Logs

• docker logs <container_name> → View container logs
• docker logs -f <container_name> → Follow logs in real-time
• docker inspect <container_name> → Inspect container details

Inside Container

• docker exec -it <container_name> bash → Open bash shell inside container

• cd /usr/share/nginx/html → Navigate to Nginx default HTML directory

• Created custom directory and file:

  docker exec nc mkdir rahul
  docker exec -it nc bash
  cd rahul
  touch rahul.txt
  
  

📂 Repo Structure Code docker_revision/

├── README.md # Documentation (this file)

🌐 Accessing Nginx

After running:

bash docker run -d --rm --name nc -p 8080:80 nginx Open http://localhost:8080 (localhost in Bing) in your browser to see the Nginx welcome page.