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config inspect

Display detailed information on one or more configs

Options

Name	Type	Default	Description
`-f`, `--format`	`string`		Format output using a custom template: 'json': Print in JSON format 'TEMPLATE': Print output using the given Go template. Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates
`--pretty`	`bool`		Print the information in a human friendly format

Description

Inspects the specified config.

By default, this renders all results in a JSON array. If a format is specified, the given template will be executed for each result.

Go's text/template package describes all the details of the format.

For detailed information about using configs, refer to store configuration data using Docker Configs.

[!NOTE] This is a cluster management command, and must be executed on a Swarm manager node. To learn about managers and workers, refer to the Swarm mode section in the documentation.

Examples

Inspect a config by name or ID

You can inspect a config, either by its name, or ID

For example, given the following config:

$ docker config ls

ID                          NAME                CREATED             UPDATED
eo7jnzguqgtpdah3cm5srfb97   my_config           3 minutes ago       3 minutes ago

$ docker config inspect config.json

The output is in JSON format, for example:

[
  {
    "ID": "eo7jnzguqgtpdah3cm5srfb97",
    "Version": {
      "Index": 17
    },
    "CreatedAt": "2017-03-24T08:15:09.735271783Z",
    "UpdatedAt": "2017-03-24T08:15:09.735271783Z",
    "Spec": {
      "Name": "my_config",
      "Labels": {
        "env": "dev",
        "rev": "20170324"
      },
      "Data": "aGVsbG8K"
    }
  }
]

Format the output (--format)

You can use the --format option to obtain specific information about a config. The following example command outputs the creation time of the config.

$ docker config inspect --format='{{.CreatedAt}}' eo7jnzguqgtpdah3cm5srfb97

2017-03-24 08:15:09.735271783 +0000 UTC

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