docker tag

The docker tag command is used to create a tag for an existing Docker image. This command allows you to add a new name to an existing image, which can be useful for versioning and organizing your images.

Basic Syntax

docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]

Parameters

SOURCE_IMAGE[:TAG]: The name (and optionally a tag) of the source image.
TARGET_IMAGE[:TAG]: The name (and optionally a tag) of the target image.

Examples

Tagging an Image with a New Name
docker tag myimage:latest myrepository/myimage:latest
This command tags the image myimage:latest with a new name myrepository/myimage:latest.
Tagging an Image with a New Version
docker tag myimage:latest myimage:v1.0
This command tags the image myimage:latest with a new version myimage:v1.0.
Tagging an Image with a Different Repository
docker tag myimage:latest myrepository/myimage:v1.0
This command tags the image myimage:latest with a new repository and version myrepository/myimage:v1.0.

Conclusion

The docker tag command is essential for managing Docker image names and versions. Understanding its parameters allows you to effectively organize and version your Docker images.

Last modified: 05 December 2024