command: docker config inspect short: Display detailed information on one or more configs long: |- 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](https://pkg.go.dev/text/template) package describes all the details of the format. For detailed information about using configs, refer to [store configuration data using Docker Configs](/engine/swarm/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](/engine/swarm/) in the > documentation. usage: docker config inspect [OPTIONS] CONFIG [CONFIG...] pname: docker config plink: docker_config.yaml options: - option: format shorthand: f value_type: string description: |- 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 details_url: '#format' deprecated: false hidden: false experimental: false experimentalcli: false kubernetes: false swarm: false - option: pretty value_type: bool default_value: "false" description: Print the information in a human friendly format deprecated: false hidden: false experimental: false experimentalcli: false kubernetes: false swarm: false inherited_options: - option: help value_type: bool default_value: "false" description: Print usage deprecated: false hidden: true experimental: false experimentalcli: false kubernetes: false swarm: false 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: ```console $ docker config ls ID NAME CREATED UPDATED eo7jnzguqgtpdah3cm5srfb97 my_config 3 minutes ago 3 minutes ago ``` ```console $ docker config inspect config.json ``` The output is in JSON format, for example: ```json [ { "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) {#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. ```console $ docker config inspect --format='{{.CreatedAt}}' eo7jnzguqgtpdah3cm5srfb97 2017-03-24 08:15:09.735271783 +0000 UTC ``` deprecated: false hidden: false min_api_version: "1.30" experimental: false experimentalcli: false kubernetes: false swarm: true