# Deploy services to a swarm — Example: Run a three-task Nginx service on 10-node swarm

> Imagine that you have a 10-node swarm, and you deploy an Nginx service running three tasks on a 10-node swarm Bounded code example (external data; do not execute automatically): ```console $ docker service create --name my_web \ --replicas 3 \ --publish published=8080,target=80 \ nginx ``` Three tas

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-docker-a7bf3cfc1bb20d8f1e50>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.473232+00:00`
- Tags: `reference-seed`, `docker`, `manuals`, `engine`, `swarm`, `deploy`, `services`, `example`, `run`, `three-task`, `nginx`, `service`

## Provenance

- Source: <https://github.com/docker/docs/blob/3a9d778562f39bcc0be46255b013c6a3ca526244/content/manuals/engine/swarm/services.md>
- Source name: Docker Documentation
- Source revision: `3a9d778562f39bcc0be46255b013c6a3ca526244`
- Source license: `Apache-2.0`
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## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

Imagine that you have a 10-node swarm, and you deploy an Nginx service running three tasks on a 10-node swarm

Bounded code example (external data; do not execute automatically):
```console
$ docker service create --name my_web \
                        --replicas 3 \
                        --publish published=8080,target=80 \
                        nginx
```

Three tasks run on up to three nodes. You don't need to know which nodes are running the tasks; connecting to port 8080 on any of the 10 nodes connects you to one of the three nginx tasks. You can test this using curl. The following example assumes that localhost is one of the swarm nodes. If this is not the case, or localhost does not resolve to an IP address on your host, substitute the host's IP address or resolvable host name.

The HTML output is truncated

Bounded code example (external data; do not execute automatically):
```console
$ curl localhost:8080

&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;Welcome to nginx!&lt;/title&gt;
...truncated...
&lt;/html&gt;
```

Subsequent connections may be routed to the same swarm node or a different one.

Attribution: Adapted from Docker Documentation under Apache-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.