为什么在此 AWS Lambda 部署包中找不到处理程序脚本?

Why is handler script not found in this AWS Lambda deployment package?

以下是来自 https://docs.aws.amazon.com/lambda/latest/dg/golang-handler.htmlgolang 示例 lambda 函数:

$ cat ./foo.go
package main

import (
  "fmt"
  "context"
  "github.com/aws/aws-lambda-go/lambda"
)

type MyEvent struct {
  Name string `json:"name"`
}

func HandleRequest(ctx context.Context, name MyEvent) (string, error) {
  return fmt.Sprintf("Hello %s!", name.Name ), nil
}

func main() {
  lambda.Start(HandleRequest)
}

我相信我已经正确地按照以下步骤创建部署包:

$ GOOS=linux go build foo.go
$ zip foo.zip foo
  adding: foo (deflated 49%)
$

上面的lambda函数或者部署包有什么问题?如果没有,为什么 lambda 创建函数会因无法找到处理程序脚本而失败?

$ aws --profile jack --endpoint-url http://localhost:4574 lambda create-function --function-name foo --runtime go1.x --zip-file fileb://foo.zip --handler main --role arn:aws:iam::000000000000:role/lambda-role

An error occurred (ValidationError) when calling the CreateFunction operation: Unable to find handler script (/tmp/localstack/zipfile.07e4ae91/main) in Lambda archive. Config for local mount, docker, remote: "False", "True", "True"
$

请查看以下 github 个问题和 PR:

enable/use 进入 localstack 可能需要特殊步骤。