template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  simple-node-api
  Sample SAM Template for simple-node-api
  
# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
Globals:
  Function:
    Timeout: 3
    Tracing: Active

Resources:
  GuestBookApi:
    Type: AWS::Serverless::HttpApi
    Properties:
      DefinitionBody:
        'Fn::Transform':
          Name: AWS::Include
          Parameters:
            Location: api.yaml
  CommentsBucket:
    Type: AWS::S3::Bucket

  ExpressBackend:
    Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
    Properties:
      CodeUri: guestbook/
      Handler: app.lambdaHandler
      Runtime: nodejs12.x
      Environment:
        Variables:
          BUCKET: !Ref CommentsBucket
      Policies:
        - S3CrudPolicy:
            BucketName: !Ref CommentsBucket
      Events:
        Get:
          Type: HttpApi # More info about API Event Source: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#api
          Properties:
            Path: /
            Method: get
            ApiId: !Ref GuestBookApi
        Post:
          Type: HttpApi
          Properties:
            Path: /
            Method: post
            ApiId: !Ref GuestBookApi

Outputs:
  GuestBookApi:
    Description: API Gateway endpoint URL for Prod stage for Hello World function
    Value:
      Fn::Sub: https://${GuestBookApi}.execute-api.${AWS::Region}.amazonaws.com/
  ExpressBackendFunction:
    Description: Express Backend Lambda Function ARN
    Value: !Sub ExpressBackend.Arn
  ExpressBackendIamRole:
    Description: Implicit IAM Role created for Hello World function
    Value: !Sub ExpressBackendFunctionRole.Arn