Docker inspect format introduction how to#
Docker inspect format introduction full#

Docker inspect format introduction how to#

Therefore, you can combine other go methods (such as range, split) to play acrobatics, so this article will not teach you how to do it. For example, the command above, json is the method name of go

Docker inspect format introduction full#

If you are interested, you can also make full use of this-format parameter, because it is the template syntax of go, which is almost the code that can write go. Common actions in practice are as followsĮnter the following command to output the Mounts information of the container, and you can see the specific mount location of each directory in the container on the host machine.ĭocker inspect -format='' container | jq At this point, the practicality of-format is reflected. It is inconvenient for us to turn pages on the command line. When entering docker inspect container directly, all the information of the container will be output, which is bloated. In practice, we often only need to look at some of the information, such as directory mount information and network information. From version 7.61.0. It is very powerful, can do a lot of go function operation, because my go language has not started, so here will not say too much acrobatics, so as not to overturn, the following 1 commonly used. From the table description, the parameter values passed in should be templates of go language.

The above two parameters are used less,-format is the most practical and frequently used. With this parameter, the output results will include SizeRootFs and SizeRw (at present, I am not sure what these two values mean, please let me know). size is used to view the file size of the container. If the type parameter is not used, the container information is returned: Get detailed Docker Image information using Docker Inspect You can get detailed information on a docker image using docker inspect.

First of all we will have a look at how to inspect docker images. If a format is specified, the given template will be executed for each result. If the container and image have the same name, this will return container JSON for unspecified type. By default, this will render all results in a JSON array. For example, if you have one container named redis and one image named redis: latest on your machine, you can use the following command to view the image information. The basic syntax for using docker inspect is: docker inspect OPTIONS NAME By default, docker inspect will render it’s output in a JSON array. This displays all the information available in Docker for a given container or image. It can be used when the container has the same name as the mirror, and it is used less frequently. The following table is taken from official websiteįormat the output using the given Go templateĭisplay total file sizes if the type is containerĪs shown in the above table,-type is used to specify docker object types, such as container, image. Return low-level information on Docker objectsĭocker inspect NAME|ID In addition, this command can also be used to view the information of docker image. Include container id, creation time, running status, startup parameters, directory mount, network configuration, and so on.

Docker inspect is a native command for the docker client to view the underlying basic information of the docker object.