Building Lambda functions with C#
You can run your .NET application in Lambda using the managed .NET 8 runtime, a custom runtime, or a container image. After your application code is compiled, you can deploy it to Lambda either as a .zip file or a container image. Lambda provides the following runtimes for .NET languages:
| Name | Identifier | Operating system | Deprecation date | Block function create | Block function update |
|---|---|---|---|---|---|
.NET 9 (container only) |
| Amazon Linux 2023 | Not scheduled | Not scheduled | Not scheduled |
.NET 8 |
| Amazon Linux 2023 | Nov 10, 2026 | Dec 10, 2026 | Jan 11, 2027 |
Setting up your .NET development environment
To develop and build your Lambda functions, you can use any of the commonly available .NET integrated development environments (IDEs), including Microsoft Visual Studio, Visual Studio Code, and JetBrains Rider. To simplify your development experience, AWS provides a set of .NET project templates, as well as theAmazon.Lambda.Tools command line interface (CLI).
Run the following .NET CLI commands to install these project templates and command line tools.
Installing the .NET project templates
To install the project templates, run the following command:
dotnet new install Amazon.Lambda.TemplatesInstalling and updating the CLI tools
Run the following commands to install, update, and uninstall theAmazon.Lambda.Tools CLI.
To install the command line tools:
dotnet tool install -g Amazon.Lambda.ToolsTo update the command line tools:
dotnet tool update -g Amazon.Lambda.ToolsTo uninstall the command line tools:
dotnet tool uninstall -g Amazon.Lambda.Tools