lambda.tf

provider "aws" {
   region = "us-east-2"
 }

 resource "aws_lambda_function" "example" {
   function_name = "ServerlessExample"

   # The bucket name as created earlier with "aws s3api create-bucket"
   s3_bucket = "samagilespud"
   s3_key    = "main.zip"

   # "main" is the filename within the zip file (main.js) and "handler"
   # is the name of the property under which the handler function was
   # exported in that file.
   handler = "main.exe"
   runtime = "go1.x"

   role = aws_iam_role.lambda_exec.arn
 }

 # IAM role which dictates what other AWS services the Lambda function
 # may access.
 resource "aws_iam_role" "lambda_exec" {
   name = "serverless_example_lambda"

   assume_role_policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Action": "sts:AssumeRole",
      "Principal": {
        "Service": "lambda.amazonaws.com"
      },
      "Effect": "Allow",
      "Sid": ""
    }
  ]
}
EOF

 }

resource "aws_lambda_permission" "apigw" {
  statement_id  = "AllowAPIGatewayInvoke"
  action        = "lambda:InvokeFunction"
  function_name = aws_lambda_function.example.function_name
  principal     = "apigateway.amazonaws.com"

  # The "/*/*" portion grants access from any method on any resource
  # within the API Gateway REST API.
  source_arn = "${aws_api_gateway_rest_api.example.execution_arn}/*/*"
}