How to download the image in docker in window (steps)

With the popularity of Docker, many users have begun to install Docker on Windows systems. Docker allows users to run containers on their Docker host as a lightweight virtual copy of the operating system. This article will introduce the steps to download the Docker image on Windows system.

1. Prerequisites

Before you start downloading the Docker image, you need to meet the following prerequisites:

1. Ensure that the version of the Windows operating system meets the requirements for running Docker Requirements, Windows 10 or above is recommended.
2. Install Docker Desktop. Docker Desktop is a Docker application for Windows and Mac OS that provides features such as user-friendly UI and rapid deployment of container services.
3. Set up a Docker Hub account in Docker Desktop. Docker Hub is a public Docker Registry provided by Docker Company, where users can share and download images.

2. Search for the required image

Before downloading the image, you must ensure that the target image has been searched. Users can find public images on Docker Hub or store images on a private registry.

1. Open Docker Desktop and click the whale icon in the system tray area
2. Select the "Open Docker Dashboard" option
3. Click the "Containers" option on the left, and then Select the "Images" tab
4. Enter the name of the target image in the search box, such as "ubuntu"
5. Click the "Search in Docker Hub" button, Docker Desktop will display the target name on Docker Hub List of matching public images.
6. Users can view detailed information and labels about the image by clicking the image name.

3. Download the image

After searching for the target image, you can download the image through the following steps.

1. Open a terminal window and enter the following command:

docker pull 镜像名称:标签

For example, run the following command to download the latest version of Ubuntu 20.04 from Docker Hub:

docker pull ubuntu:latest

2. Docker will automatically download the image and store it on the local host. Users can view the list of stored images by running the following command:

docker images

In addition, users can view the details of downloaded images in the "Images" tab of Docker Desktop.

Summary

Downloading the Docker image on a Windows system is very simple. As long as Docker Desktop is installed and a Docker Hub account is set up, users can download the required image with a simple search and a few commands. Running containers on Docker is a fast, efficient and repeatable way to deploy applications. Users can utilize public images on Docker Hub or their own private registry to store and share container images.

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