Welcome to the tutorial on getting started with Docker! Docker is a powerful tool for containerization, allowing you to pack, ship, and run an application in a standardized environment. Here's a brief overview to kickstart your journey with Docker.

Prerequisites

Before diving into Docker, ensure you have the following prerequisites:

Installation

To install Docker, follow these steps:

  1. Download Docker Desktop from the official website.
  2. Run the installer and follow the on-screen instructions.
  3. Once installed, launch Docker Desktop and log in to your Docker Hub account.

Basic Commands

Here are some essential Docker commands to get you started:

  • docker --version: Check Docker version.
  • docker info: Display Docker system information.
  • docker run hello-world: Run the official "hello-world" image to verify Docker installation.

Creating a Container

A container is a lightweight, stand-alone, executable package of an application, which includes everything needed to run on any computing environment.

To create a container, follow these steps:

  1. Use the docker pull command to download an image from Docker Hub.
    docker pull <image_name>
  2. Run the image using the docker run command.
    docker run <image_name>

For example, to run the official Nginx image, use the following command:

docker pull nginx
docker run -d -p 8080:80 nginx

Managing Containers

Once you have containers running, you can manage them using various Docker commands:

  • docker ps: List running containers.
  • docker stop <container_id>: Stop a container.
  • docker start <container_id>: Start a container.
  • docker rm <container_id>: Remove a container.

Next Steps

Now that you have a basic understanding of Docker, you can explore more advanced topics such as:

To learn more about Docker, visit the official documentation.

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