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How to configure Visual Studio Container Tools

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Applies to: yesVisual Studio noVisual Studio for Mac

Note

This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here

Using Visual Studio settings, you can control some aspects of how Visual Studio works with Docker containers, including settings that affect performance and resource usage when working with Docker containers.

Container Tools settings

From the main menu, choose Tools > Options, and expand Container Tools > Settings. The container tools settings appear.

Visual Studio Container Tools options, showing: Automatically pull required Docker images on project load, Automatically start containers in background, Automatically kill containers on solution close, and Do not prompt for trusting SSL certificate.

The following table might help you decide how to set these options.

Name Default Setting Applies To Description
Automatically pull required Docker images on project load On Docker Compose For increased performance when loading projects, Visual Studio will start a Docker pull operation in the background so that when you're ready to run your code, the image is already downloaded or in the process of downloading. If you're just loading projects and browsing code, you can turn this off to avoid downloading container images you don't need.
Automatically start containers in background On Docker Compose Again for increased performance, Visual Studio creates a container with volume mounts ready for when you build and run your container. If you want to control when your container is created, turn this off.
Automatically kill containers on solution close On Docker Compose Turn this off if you would like containers for your solution to continue to run after closing the solution or closing Visual Studio.
Do not prompt for trusting localhost SSL certificate Off ASP.NET Core 2.1 projects If the localhost SSL certificate is not trusted, Visual Studio will prompt when you run an ASP.NET Core 2.x project, unless this checkbox is checked or the certificate was already trusted.

Warning

If the localhost SSL certificate is not trusted, and you check the box to suppress prompting, then HTTPS web requests might fail at run time in your app or service. In that case, uncheck the Do not prompt checkbox, run your project, and indicate trust at the prompt.

Next steps

Read more about working with containers in Visual Studio in this overview.