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Docker

1

Docker
Overview/
├── Introduction
│   ├── What is Docker
│   └── Advantages of Docker
├── Installation
│   ├── System Requirements
│   └── Installation Steps
└── Usage
    ├── Basic Commands
    ├── Image Management
    └── Container Management

1. Introduction​

What is Docker​

  • Docker: A platform for containerized apps.

Advantages of Docker​

  • Benefits: Efficiency, portability, and isolation.

2. Installation​

System Requirements​

  • Check Docker compatibility.

Installation Steps​

  • Steps to install Docker. 
    # Install Docker
    curl -fsSL https://get.docker.com -o get-docker.sh
    sudo sh get-docker.sh

    # Manage Docker as a non-root user
    sudo groupadd docker
    sudo usermod -aG docker $USER
    newgrp docker

    # Verify Installation
    docker --version

3. Usage​

Basic Commands​

  • Running containers, listing, and stopping. 
    # Run a container
    docker run hello-world

    # List Docker containers
    docker ps -a

    # Stop a running container
    docker stop [CONTAINER_ID]

Image Management​

  • Handling Docker images. 
    # List images
    docker images

    # Pull an image
    docker pull ubuntu

    # Remove an image
    docker rmi [IMAGE_ID]

Container Management​

  • Operating Docker containers. 
    # Execute commands in a container
    docker exec -it [CONTAINER_ID] /bin/bash

    # View container logs
    docker logs [CONTAINER_ID]

    # Copy files between container and host
    docker cp [CONTAINER_ID]:/path/to/file /path/to/destination