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--- docker:images:update_and_commit_an_image [2020/11/11 10:12] – 192.168.1.1
+++ docker:images:update_and_commit_an_image [2020/11/11 10:25] (current) – 192.168.1.1
@@ Line 93: / Line 93: @@
 ubuntu              20.04               d70eaf7277ea        12 days ago         72.9MB
 </code>
+----
+===== Log in to the Docker Hub =====
+<WRAP info>
+**NOTE:** In order to work with the Docker Hub, you will need to create an account on [[https://hub.docker.com/account/signup|Docker Hub]].
+</WRAP>
+<code bash>
+docker login
+</code>
+returns:
+<code bash>
+Username: peter
+Password:
+WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
+Configure a credential helper to remove this warning. See
+https://docs.docker.com/engine/reference/commandline/login/#credentials-store
+Login Succeeded
+</code>
+----
+===== Tag the Image to push to the Docker Hub =====
+For example, to tag the nginx-instance image:
+<code bash>
+docker tag 12cefc9b5362 peter/nginx-instance:ubuntu
+</code>
+where:
+  * 12cefc9b5362 is the ID of the nginx-instance image.
+  * peter is your Docker Hub username.
+  * nginx-instance is the name of the image that you want to push.
+----
+===== Verify the Tagged Image =====
+<code bash>
+docker images
+</code>
+returns:
+<code bash>
+REPOSITORY                 TAG                 IMAGE ID            CREATED             SIZE
+peter/nginx-instance       ubuntu              12cefc9b5362        12 minutes ago      158MB
+nginx-instance             latest              12cefc9b5362        12 minutes ago      158MB
+ubuntu                     20.04               d70eaf7277ea        12 days ago         72.9MB
+</code>
+----
+===== Push the new Image to the Docker Hub =====
+Push the new image named peter/nginx-instance to the Docker Hub:
+<code bash>
+docker push peter/nginx-instance
+</code>
+----
+===== Login to the Docker Hub =====
+Login to the Docker Hub using your web browser and verify that the nginx-instance image appears in the Repositories.