Go is implemented differently than other managed runtimes. Because Go compiles natively to an executable binary, it doesn't require a dedicated language runtime. Use anOS-only runtime (theprovided runtime family) to deploy Go functions to Lambda.

Go runtime support

The Go 1.x managed runtime for Lambda isdeprecated. If you have functions that use the Go 1.x runtime, you must migrate your functions toprovided.al2023 orprovided.al2. Theprovided.al2023 andprovided.al2 runtimes offer several advantages overgo1.x, including support for the arm64 architecture (AWS Graviton2 processors), smaller binaries, and slightly faster invoke times.

No code changes are required for this migration. The only required changes relate to how you build your deployment package and which runtime you use to create your function. For more information, seeMigrating AWS Lambda functions from the Go1.x runtime to the custom runtime on Amazon Linux 2 on theAWS Compute Blog.

Tools and libraries

Lambda provides the following tools and libraries for the Go runtime:

For more information, seeaws-lambda-go on GitHub.

Lambda provides the following sample applications for the Go runtime:

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