# Configuring .NET Core containers using the Amazon toolkit for Visual Studio
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The **Container** panel lets you specify environment variables that you can read from your application code.

![\[Screenshot of container panel in Visual Studio Toolkit for Elastic Beanstalk\]](http://docs.amazonaws.cn/en_us/elasticbeanstalk/latest/dg/images/aeb-vs-container-envproperties.png)