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Websockets info

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ee/ucp/interlock/usage/websockets.md
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--- ---
title: Websockets title: Websockets
description: Learn how to use websocket in your swarm services when using the description: Learn how to use websockets in your swarm services when using the
layer 7 routing solution for UCP. layer 7 routing solution for UCP.
keywords: routing, proxy keywords: routing, proxy
--- ---
In this example we will publish a service and configure support for websockets. # Using websockets
First we will create an overlay network so that service traffic is isolated and secure: First, create an overlay network to isolate and secure service traffic:
```bash ```bash
$> docker network create -d overlay demo $> docker network create -d overlay demo
1se1glh749q1i4pw0kf26mfx5 1se1glh749q1i4pw0kf26mfx5
``` ```
Next we will create the service with websocket endpoints: Next, create the service with websocket endpoints:
```bash ```bash
$> docker service create \ $> docker service create \
@ -27,10 +27,9 @@ $> docker service create \
ehazlett/websocket-chat ehazlett/websocket-chat
``` ```
> **Note**: for this to work you must have an entry for `demo.local` in your local hosts (i.e. `/etc/hosts`) file. > **Note**: for this to work, you must have an entry for `demo.local` in your local hosts (i.e. `/etc/hosts`) file.
> This uses the browser for websocket communication so you will need to have an entry or use a routable domain. > This uses the browser for websocket communication, so you must have an entry or use a routable domain.
Interlock will detect once the service is available and publish it. Once the tasks are running
and the proxy service has been updated the application should be available via `http://demo.local`. Open
two instances of your browser and you should see text on both instances as you type.
Interlock detects when the service is available and publishes it. Once tasks are running
and the proxy service is updated, the application should be available via `http://demo.local`. Open
two instances of your browser and text should be displayed on both instances as you type.