Update cheatsheets

docker-images

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# docker images
+
+> Manage Docker images.
+> More information: <https://docs.docker.com/engine/reference/commandline/images/>.
+
+- List all Docker images:
+
+`docker images`
+
+- List all Docker images including intermediates:
+
+`docker images --all`
+
+- List the output in quiet mode (only numeric IDs):
+
+`docker images --quiet`
+
+- List all Docker images not used by any container:
+
+`docker images --filter dangling=true`
+
+- List images that contain a substring in their name:
+
+`docker images "{{*name*}}"`
+
+- Sort images by size:
+
+`docker images --format "{{.ID}}	{{.Size}}	{{.Repository}}:{{.Tag}}" | sort -k 2 -h`