Merge pull request #19871 from tiendq/patch-1

docs: replace alpine with nginx

Author: dvdksn

content/guides/docker-concepts/building-images/build-tag-and-publish-an-image.md

@@ -73,7 +73,7 @@ Tagging images is the method to provide an image with a memorable name. However,
 
 Some examples of image names include:
 
-- `nginx`, equivalent to `docker.io/library/alpine:latest`: this pulls an image from the `docker.io` registry, the `library` namespace, the `nginx` image repository, and the `latest` tag.
+- `nginx`, equivalent to `docker.io/library/nginx:latest`: this pulls an image from the `docker.io` registry, the `library` namespace, the `nginx` image repository, and the `latest` tag.
 - `docker/welcome-to-docker`, equivalent to `docker.io/docker/welcome-to-docker:latest`: this pulls an image from the `docker.io` registry, the `docker` namespace, the `welcome-to-docker` image repository, and the `latest` tag
 - `ghcr.io/dockersamples/example-voting-app-vote:pr-311`: this pulls an image from the GitHub Container Registry, the `dockersamples` namespace, the `example-voting-app-vote` image repository, and the `pr-311` tag