Platform & DevOps·Packaging: containers and images
two nodes ran what the manifest called the same version and behaved differently, because someone had pushed over the tag.
Image tag
Also calledtag, mutable tag
A human-readable, mutable pointer to an image — `v2.3.1`, `main`, `latest`. Because it can be repointed at any time, a tag is a name rather than an identity: pulling it twice can legitimately give you two different images. Almost every 'but it worked in staging' mystery in a container platform is a tag that moved between the two deployments.