olume/), [image registries](https://docs.docker.com/engine/reference/commandline/push/), and [Docker Compose](https://docs.docker.com/compose/reference/overview/). In addition, the **Docker: Prune System** command will remove stopped containers, dangling images, and unused networks and volumes.


### Docker Compose

[Docker Compose](https://docs.docker.com/compose/) lets you define and run multi-container applications with Docker. Our [Compose Language Service](https://github.com/microsoft/compose-language-service) in the Docker extension gives you IntelliSense and tab completions when authoring `docker-compose.yml` files. Press `Ctrl+Space` to see a list of valid Compose directives.

 ![Docker Compose IntelliSense](https://github.com/microsoft/vscode-docker/raw/HEAD/resources/readme/tab-completions.gif)


We also provide tooltips when you hover over a Docker Compose YAML attribute.

 ![Docker Compose Tooltips](https://github.com/microsoft/vscode-docker/raw/HEAD/resources/readme/hover-support.png)


While `Compose Up` allows you to run all of your services at once, our new feature `Compose Up - Select Services` lets you select any combination of the services you want to run.

![Docker Compose Up - Select Subset](https://github.com/microsoft/vscode-docker/raw/HEAD/resources/readme/select-subset.gif)

Once your `Compose Up` command completes, navigate to the Docker Explorer to view your services as a Compose Group. This allows you to start, stop, and view the logs of each service as a group.

![Docker Compose Groups](https://github.com/microsoft/vscode-docker/raw/HEAD/resources/readme/compose-group.png)

### Using image registries

You can display the content and push, pull, or delete images from [Docker Hub](https://hub.docker.com/) and [Azure Container Registry](https://docs.microsoft.com/azure/container-registry/):

![Azure Container Registry content](https://github.com/microsoft/vscode-docker/raw/HEAD/resources/readme/container-registry.png)

An image in an Azure Container Registry can be deployed to Azure App Service directly from VS Code. See [Deploy images to Azure App Service](https://aka.ms/AA7arf8) to get started. For more information about how to authenticate to and work with registries, see [Using container registries](https://aka.ms/AA7arf9).

### Debugging services running inside a container

You can debug services built using Node.js, Python, or .NET (C#) that are running inside a container. The extension offers custom tasks that help with launching a service under the debugger and with attaching the debugger to a running service instance. For more information, see [Debug containerized apps](https://aka.ms/AA7arfb)  and [Customize the Docker extension](https://aka.ms/AA7ay8l).

### Azure CLI integration

You can start Azure CLI (command-line interface) in a standalone, Linux-based container with **Docker Images: Run Azure CLI** command. This gives you access to the full Azure CLI command set in an isolated environment. For more information on available commands, see [Get started with Azure CLI](https://docs.microsoft.com/cli/azure/get-started-with-azure-cli?view=azure-cli-latest#sign-in).

## Contributing

See [the contribution guidelines](https://github.com/microsoft/vscode-docker/blob/HEAD/CONTRIBUTING.md) for ideas and guidance on how to improve the extension. Thank you!

### Code of Conduct

This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.

## Telemetry

VS Code collects usage data and sends it to Microsoft to help improve our products and services. Read our [privacy statement](https://go.microsoft.com/fwlink/?LinkID=528096&clcid=0x409) to learn more. If you don’t wish to send usage data to Microsoft, you can set the `telemetry.telemetryLevel` setting to `off`. Learn more in our [FAQ](https://code.visualstudio.com/docs/supporting/faq#_how-to-disable-telemetry-reporting).

## License

[MIT](https://github.com/microsoft/vscode-docker/blob/HEAD/LICENSE.md)
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