How to install mirror offline in docker

Installing Docker images offline requires the following steps: 1. Obtain the mirror TAR file; 2. Export the mirror file; 3. Transfer the mirror file; 4. Import the mirror file; 5. Verify the mirror installation.

Docker offline installation of mirrors

Question: How to install Docker image offline?

Answer:

Installing Docker image offline requires the following steps:

1. Get the mirror file (TAR file)

• Download a mirror TAR file from a Docker image repository, such as docker pull nginx .
• Make sure you are connected to the Internet and that the Docker daemon is running.

2. Export the image file

• To export the image as a TAR file, use the following command:

   <code>docker save nginx > nginx-image.tar</code>

3. Transfer mirror files

• Transfer the TAR file to an offline machine. You can use physical media (such as a USB drive) or network transmission (such as FTP or SSH).

4. Import the image file

• On an offline machine, import the image using the following command:

   <code>docker load </code>

5. Verify the image installation

• Verify that the image has been installed successfully by running the docker images command.

Note:

• If Docker is not installed on the target machine, install it before importing the image.
• When running Docker daemons on offline machines, you may need to use the --insecure-registry flag to access locally imported images.

The above is the detailed content of How to install mirror offline in docker. For more information, please follow other related articles on the PHP Chinese website!