Filter Containers Docker

This is the most powerful command.

Filter containers docker.

Code runtime system tools system libraries and settings. Docker ps filter status your status. To first find the list of containers with a specific status you can use the filter option of the docker ps command in order to filter out those with the required status as follows. To see all containers on the docker host including stopped containers use docker ps a you may be surprised how many containers exist especially on a development system.

Filter by exit signal. The docker container prune command allows you to remove containers based on a certain condition using the filter option. Docker container inspect foo instead and you can format the output to get whatever data you need from that. When you stop a container it is not automatically removed unless you started it with the rm flag.

Docker ps help usage. Where your status can be one of the following. Created running restarting removing exited paused and dead. Container images become containers at runtime and in the case of docker containers images become containers when they run on docker engine.

It is the de facto standard for container deployment and it is an essential tool for devops engineers and their continuous integration and delivery pipeline. A docker container image is a lightweight standalone executable package of software that includes everything needed to run an application. You can use a filter to locate containers that exited with status of 137 meaning a sigkill 9 killed them. Docker ps a filter exited 137 container id image command created status ports names b3e1c0ed5bfe ubuntu latest sleep 1000 12 seconds ago exited 137 5 seconds ago grave kowalevski a2eb5558d669 redis latest entrypoint sh redi 2 hours ago exited 137 2.

Docker ps options list containers options. A all show all containers default shows just running f filter filter filter output based on conditions provided format string pretty print containers using a go template n last int show n last created containers includes all states default 1 l. To show the current status and image. At the time of the writing of this article the currently supported filters are until and label.

Other filtering expressions are available. Docker container inspect foo f state status config image running foo image latest.