How to remove old Docker containers

Since Docker 1.13.x you can use Docker container prune:

docker container prune

This will remove all stopped containers and should work on all platforms the same way.

There is also a Docker system prune:

docker system prune

which will clean up all unused containers, networks, images (both dangling and unreferenced), and optionally, volumes, in one command.

For older Docker versions, you can string Docker commands together with other Unix commands to get what you need. Here is an example on how to clean up old containers that are weeks old:

$ docker ps --filter "status=exited" | grep 'weeks ago' | awk '{print $1}' | xargs --no-run-if-empty docker rm

To give credit, where it is due, this example is from

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