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Libraries, samples, and tools to help Go developers develop AWS Lambda functions.
To learn more about writing AWS Lambda functions in Go, go to the official documentation
Getting Started
// main.go
package main
import (
"github.com/aws/aws-lambda-go/lambda"
)
func hello() (string, error) {
return "Hello λ!", nil
}
func main() {
// Make the handler available for Remote Procedure Call by AWS Lambda
lambda.Start(hello)
}
Building your function
Preparing a binary to deploy to AWS Lambda requires that it is compiled for Linux and placed into a .zip file.
For developers on Linux and macOS
# Remember to build your handler executable for Linux!
GOOS=linux GOARCH=amd64 go build -o main main.go
zip main.zip main
For developers on Windows
Windows developers may have trouble producing a zip file that marks the binary as executable on Linux. To create a .zip that will work on AWS Lambda, the build-lambda-zip the tool may be helpful.
Get the tool
set GO111MODULE=on
go.exe get -u github.com/aws/aws-lambda-go/cmd/build-lambda-zip
Use the tool from your GOPATH. If you have a default installation of Go, the tool will be in %USERPROFILE%\Go\bin.
in cmd.exe:
set GOOS=linux
set GOARCH=amd64
set CGO_ENABLED=0
go build -o main main.go
%USERPROFILE%\Go\bin\build-lambda-zip.exe -o main.zip main
in Powershell:
$env:GOOS = "linux"
$env:GOARCH = "amd64"
$env:CGO_ENABLED = "0"
go build -o main main.go
~\Go\Bin\build-lambda-zip.exe -o main.zip main
Deploying your functions
To deploy your function, refer to the official documentation for deploying using the AWS CLI, AWS Cloudformation, and AWS SAM.
Event Integrations
The event models can be used to model AWS event sources. The official documentation has detailed walkthroughs.
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