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--- docker:remove_an_image [2020/04/15 22:10] – created peter
+++ docker:remove_an_image [2020/05/13 08:45] (current) – removed peter
@@ Line 1: / Line 1: @@
-====== Docker - Remove an image ======
-===== Find the image =====
-<code bash>
-docker images
-</code>
-returns:
-<code bash>
-REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
-ubuntu              16.10               df4ba6fcd70e        36 hours ago        100.2 MB
-ubuntu              16.04               f753707788c5        36 hours ago        127.2 MB
-ubuntu              latest              f753707788c5        36 hours ago        127.2 MB
-hello-world         latest              c54a2cc56cbb        3 months ago        1.848 kB
-docker/whalesay     latest              6b362a9f73eb        16 months ago       247 MB
-</code>
-----
-Now remove an image
-<code bash>
-docker rmi image_name
-</code>
-Seeing all created containers is as simple as **docker ps -a**.
-To remove all existing containers (not images!) run:
-<code bash>
-docker rm $(docker ps -aq)
-</code>
-----
-===== Removing images according to a pattern =====
-You can find all the images that match a pattern using a combination of **docker images** and **grep**.
-Once you're satisfied, you can delete them by using **awk** to pass the IDs to **docker rmi**.
-<WRAP info>
-**NOTE:**  These utilities are not supplied by Docker and are not necessarily available on all systems:
-</WRAP>
-To find the images:
-<code bash>
-docker ps -a |  grep "pattern"
-</code>
-To remove the images:
-<code bash>
-docker images | grep "pattern" | awk '{print $1}' | xargs docker rm
-</code>
-----
-===== Remove all images =====
-All the Docker images on a system can be listed by adding -a to the **docker images** command.
-Once you're sure you want to delete them all, you can add the -q flag to pass the Image ID to **docker rmi**:
-To list the images:
-<code bash>
-docker images -a
-</code>
-To remove the images:
-<code bash>
-docker rmi $(docker images -a -q)
-</code>