docker config inspect
| Description | Display detailed information on one or more configs | 
|---|---|
| Usage | docker config inspect [OPTIONS] CONFIG [CONFIG...] | 
Swarm This command works with the Swarm orchestrator.
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.
NoteThis 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.
Options
| Option | Default | Description | 
|---|---|---|
| -f, --format | 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 | Print the information in a human friendly format | 
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