Where to download docker image

With the development of cloud computing, Docker technology is known and used by more and more people. Docker technology can package applications into a running environment that can run on different servers without worrying about environmental differences. A Docker image is an executable static file that contains all the dependencies of the application and running environment. So, when we use Docker technology, which Docker image do we need to download first? This article will introduce it to you in detail.

Docker official image library

Docker official image library, also known as Docker Hub, is a free image download center provided by the Docker community. Here, you can find a large number of images officially provided by Docker, such as MySQL, Redis, Nginx, etc. At the same time, you can also search for images provided by developers or organizations here, and share your own images to Docker Hub for other users to download and use.

To use the Docker official image library, you need a Docker Hub account. After logging in, select the image you want to download and execute the download command.

For example, when we download the MySQL image, enter the following command:

docker pull mysql

Alibaba Cloud Image Library

Alibaba Cloud Image Library is a download of the Docker image provided by Alibaba Cloud. and management platform. Here, you can enjoy high-speed downloads, reliable storage and massive mirror resources. In addition, Alibaba Cloud Image Library also provides users with a wealth of Docker application scenario solutions and provides users with one-stop cloud container services.

Alibaba Cloud Mirror Library can provide users with both free mirror and paid mirror services. Free images can provide users with basic Docker images, while paid images can provide users with more professional and high-quality Docker image services.

To use the Alibaba Cloud mirror library, you need to have an Alibaba Cloud account. After logging in, select the image you want to download and execute the download command.

For example, when we download the MySQL image, enter the following command:

docker pull registry.cn-hangzhou.aliyuncs.com/library/mysql

Other third-party image libraries

In addition to the image libraries provided by Docker and Alibaba Cloud, there are also There are many third-party Docker image libraries, such as Huawei Cloud Image Library, NetEase Cloud Image Library, etc. These mirror libraries have their own characteristics and advantages. Users can choose the appropriate mirror library to download and use according to their own needs.

To use a third-party image library, you need to first register an account on the official website of the third-party image library, log in, select the image you want to download, and execute the download command.

Summary

Docker technology can package applications into a portable container so that the application can run in different operating systems or environments. The Docker image is the basis of the Docker container. Docker official image library, Alibaba Cloud image library and other third-party image libraries are the main channels for us to obtain Docker images. Choosing the appropriate image library according to needs and situations, and using Docker images wisely can effectively improve our development efficiency and operation and maintenance efficiency.

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