To download a Docker image, you can use the "docker pull" command in the terminal or command prompt. Here is the general syntax for downloading an image:
docker pull [OPTIONS] NAME[:TAG|@DIGEST]
Where:
- NAME is the name of the image you want to download.
- TAG is an optional parameter that specifies a particular version of the image. If no tag is specified, Docker will default to the "latest" tag.
- DIGEST is an optional parameter that specifies a unique identifier for the image.
For example, to download the latest version of the Ubuntu image, you would run the following command:
docker pull ubuntu
To download a specific version of the image, you would specify the tag like this:
docker pull ubuntu:20.04
