gistfile1.txt

variable "stage_name" {
  value = "default"
}

resource "aws_api_gateway_domain_name" "main" {
  domain_name              = "whatever.domain.com"
  regional_certificate_arn = "arn:aws:acm:us-west-2:accountID:certificate/certID"

  endpoint_configuration {
    types = ["REGIONAL"]
  }
}

resource "aws_route53_record" "api" {
  provider = "aws.default"

  zone_id = "${var.domain_zone_id}"
  name    = "whatever"
  type    = "A"

  alias {
    evaluate_target_health = true
    name                   = "${aws_api_gateway_domain_name.main.regional_domain_name}"
    zone_id                = "${aws_api_gateway_domain_name.main.regional_zone_id}"
  }
}

resource "aws_api_gateway_base_path_mapping" "main" {
  api_id      = "${aws_api_gateway_rest_api.main.id}"
  stage_name  = ""
  domain_name = "${aws_api_gateway_domain_name.main.domain_name}"
}

resource "aws_lambda_function" "main" {
  function_name = "${var.function_name}"

  s3_bucket = "${var.deployment_bucket}"
  s3_key    = "${var.bundle_key}"

  handler = "${var.handler}"
  runtime = "${var.runtime}"

  timeout = "60"

  memory_size = "256"

  role = "${aws_iam_role.lambda_exec.arn}"

   tags {
    "Managed By" = "Terraform"
    "App"        = "${var.function_name}"
  }
}

resource "aws_lambda_permission" "apigwPermissions" {
  statement_id  = "AllowAPIGatewayInvoke"
  action        = "lambda:InvokeFunction"
  function_name = "${aws_lambda_function.main.arn}"
  principal     = "apigateway.amazonaws.com"

  source_arn = "${aws_api_gateway_deployment.main.execution_arn}/*/*"
}

resource "aws_api_gateway_resource" "main" {
  rest_api_id = "${var.core_gateway_id}"
  parent_id   = "${var.core_gateway_resource_id}"
  path_part   = ""
}

resource "aws_api_gateway_method" "main" {
  rest_api_id   = "${var.core_gateway_id}"
  resource_id   = "${aws_api_gateway_resource.main.id}"
  http_method   = "${var.http_method}"
  authorization = "NONE"
}

resource "aws_api_gateway_integration" "mainLambda" {
  rest_api_id = "${var.core_gateway_id}"
  resource_id = "${aws_api_gateway_method.main.resource_id}"
  http_method = "${aws_api_gateway_method.main.http_method}"

  integration_http_method = "${var.http_method}"
  type                    = "AWS_PROXY"
  uri                     = "${aws_lambda_function.main.invoke_arn}"
}

resource "aws_api_gateway_deployment" "main" {
  depends_on = [
    "aws_api_gateway_integration.mainLambda",
  ]

  rest_api_id = "${var.core_gateway_id}"
  stage_name  = "${var.stage_name}"
}

resource "aws_api_gateway_rest_api" "api" {
  name        = "${var.env}_api_gateway"
  description = "Terraform Serverless Application Example"

  endpoint_configuration {
    types = ["REGIONAL"]
  }
}