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<h1>docker service inspect</h1> <p><br></p> <p>Display detailed information on one or more services</p> <p><span class="badge badge-info" data-toggle="tooltip" data-placement="right" title="This command works with the Swarm orchestrator.">Swarm</span> This command works with the Swarm orchestrator.</p> <h2 id="usage">Usage</h2> <div class="highlight"><pre class="highlight" data-language="">$ docker service inspect [OPTIONS] SERVICE [SERVICE...]
</pre></div> <p>Refer to the <a href="#options">options section</a> for an overview of available <a href="#options"><code class="language-plaintext highlighter-rouge">OPTIONS</code></a> for this command.</p> <h2 id="description">Description</h2> <p name="extended-description">Inspects the specified service.</p> <p>By default, this renders all results in a JSON array. If a format is specified, the given template will be executed for each result.</p> <p>Go’s <a href="https://golang.org/pkg/text/template/">text/template</a> package describes all the details of the format.</p> <blockquote> <p><strong>Note</strong></p> <p>This is a cluster management command, and must be executed on a swarm manager node. To learn about managers and workers, refer to the <a href="../../../swarm/index">Swarm mode section</a> in the documentation.</p> </blockquote> <p>For example uses of this command, refer to the <a href="#examples">examples section</a> below.</p> <h2 id="options">Options</h2> <table> <thead> <tr> <td>Name, shorthand</td> <td>Default</td> <td>Description</td> </tr> </thead> <tbody> <tr> <td>
<code class="language-plaintext highlighter-rouge">--format</code> , <code class="language-plaintext highlighter-rouge">-f</code>
</td> <td></td> <td>Format the output using the given Go template</td> </tr> <tr> <td><code class="language-plaintext highlighter-rouge">--pretty</code></td> <td></td> <td>Print the information in a human friendly format</td> </tr> </tbody> </table> <h2 id="examples">Examples</h2> <h3 id="inspect-a-service-by-name-or-id">Inspect a service by name or ID</h3> <p>You can inspect a service, either by its <em>name</em>, or <em>ID</em></p> <p>For example, given the following service;</p> <div class="highlight"><pre class="highlight" data-language="">$ docker service ls
ID NAME MODE REPLICAS IMAGE
dmu1ept4cxcf redis replicated 3/3 redis:3.0.6
</pre></div> <p>Both <code class="language-plaintext highlighter-rouge">docker service inspect redis</code>, and <code class="language-plaintext highlighter-rouge">docker service inspect dmu1ept4cxcf</code> produce the same result:</p> <div class="highlight"><pre class="highlight" data-language="">$ docker service inspect redis
</pre></div> <p>The output is in JSON format, for example:</p> <div class="highlight"><pre class="highlight" data-language="">[
{
"ID": "dmu1ept4cxcfe8k8lhtux3ro3",
"Version": {
"Index": 12
},
"CreatedAt": "2016-06-17T18:44:02.558012087Z",
"UpdatedAt": "2016-06-17T18:44:02.558012087Z",
"Spec": {
"Name": "redis",
"TaskTemplate": {
"ContainerSpec": {
"Image": "redis:3.0.6"
},
"Resources": {
"Limits": {},
"Reservations": {}
},
"RestartPolicy": {
"Condition": "any",
"MaxAttempts": 0
},
"Placement": {}
},
"Mode": {
"Replicated": {
"Replicas": 1
}
},
"UpdateConfig": {},
"EndpointSpec": {
"Mode": "vip"
}
},
"Endpoint": {
"Spec": {}
}
}
]
</pre></div> <div class="highlight"><pre class="highlight" data-language="">$ docker service inspect dmu1ept4cxcf
[
{
"ID": "dmu1ept4cxcfe8k8lhtux3ro3",
"Version": {
"Index": 12
},
...
}
]
</pre></div> <h3 id="formatting">Formatting</h3> <p>You can print the inspect output in a human-readable format instead of the default JSON output, by using the <code class="language-plaintext highlighter-rouge">--pretty</code> option:</p> <div class="highlight"><pre class="highlight" data-language="">$ docker service inspect --pretty frontend
ID: c8wgl7q4ndfd52ni6qftkvnnp
Name: frontend
Labels:
- org.example.projectname=demo-app
Service Mode: REPLICATED
Replicas: 5
Placement:
UpdateConfig:
Parallelism: 0
On failure: pause
Max failure ratio: 0
ContainerSpec:
Image: nginx:alpine
Resources:
Networks: net1
Endpoint Mode: vip
Ports:
PublishedPort = 4443
Protocol = tcp
TargetPort = 443
PublishMode = ingress
</pre></div> <p>You can also use <code class="language-plaintext highlighter-rouge">--format pretty</code> for the same effect.</p> <h4 id="find-the-number-of-tasks-running-as-part-of-a-service">Find the number of tasks running as part of a service</h4> <p>The <code class="language-plaintext highlighter-rouge">--format</code> option can be used to obtain specific information about a service. For example, the following command outputs the number of replicas of the “redis” service.</p> <div class="highlight"><pre class="highlight" data-language="">$ docker service inspect --format='{{.Spec.Mode.Replicated.Replicas}}' redis
10
</pre></div> <h2 id="parent-command">Parent command</h2> <table> <thead> <tr> <th style="text-align: left">Command</th> <th style="text-align: left">Description</th> </tr> </thead> <tbody> <tr> <td style="text-align: left"><a href="../service/index">docker service</a></td> <td style="text-align: left">Manage services</td> </tr> </tbody> </table> <h2 id="related-commands">Related commands</h2> <table> <thead> <tr> <td>Command</td> <td>Description</td> </tr> </thead> <tbody> <tr> <td><a href="../service_create/index">docker service create</a></td> <td>Create a new service</td> </tr> <tr> <td><a href="index">docker service inspect</a></td> <td>Display detailed information on one or more services</td> </tr> <tr> <td><a href="../service_logs/index">docker service logs</a></td> <td>Fetch the logs of a service or task</td> </tr> <tr> <td><a href="../service_ls/index">docker service ls</a></td> <td>List services</td> </tr> <tr> <td><a href="../service_ps/index">docker service ps</a></td> <td>List the tasks of one or more services</td> </tr> <tr> <td><a href="../service_rm/index">docker service rm</a></td> <td>Remove one or more services</td> </tr> <tr> <td><a href="../service_rollback/index">docker service rollback</a></td> <td>Revert changes to a service’s configuration</td> </tr> <tr> <td><a href="../service_scale/index">docker service scale</a></td> <td>Scale one or multiple replicated services</td> </tr> <tr> <td><a href="../service_update/index">docker service update</a></td> <td>Update a service</td> </tr> </tbody> </table> <div class="_attribution">
<p class="_attribution-p">
© 2019 Docker, Inc.<br>Licensed under the Apache License, Version 2.0.<br>Docker and the Docker logo are trademarks or registered trademarks of Docker, Inc. in the United States and/or other countries.<br>Docker, Inc. and other parties may also have trademark rights in other terms used herein.<br>
<a href="https://docs.docker.com/engine/reference/commandline/service_inspect/" class="_attribution-link">https://docs.docker.com/engine/reference/commandline/service_inspect/</a>
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