student-management app AWS SAM

student_infrastructure.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Description: 
  Serverless infrastructure for Student Management

Resources:

  StudentTable:
    Type: 'AWS::Serverless::SimpleTable'
    Properties:
      TableName: Students
      PrimaryKey: 
        Name: StudentId
        Type: String
  
  SMAPI:
    Type: 'AWS::Serverless::Api'
    Properties:
      EndpointConfiguration: EDGE
      Cors:
        AllowOrigin: "'*'"
        AllowHeaders: "'*'"
      StageName: prod
      DefinitionBody:
        swagger: 2.0
        info:
          title: Students
        schemes:
          - https
        paths:
            /students:
              post:
                produces:
                - "application/json"
                responses:
                  "200":
                    description: "200 response"
                    schema:
                      $ref: "#/definitions/Empty"
                x-amazon-apigateway-integration:
                  httpMethod: POST
                  type: aws
                  contentHandling: "CONVERT_TO_TEXT"
                  uri:
                    Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${SMLambda.Arn}/invocations
                  responses:
                    default:
                      statusCode: "200"
        definitions:
          Empty:
            type: "object"
            title: "Empty Schema"

  SMLambda:
    Type: 'AWS::Serverless::Function'
    Properties:
      CodeUri: ../lambda_handler/
      Handler: studentManagement.handler
      Runtime: nodejs10.x
      Description: Lambda for Student Management
      Events:
        StudentsAPI:
          Type: Api 
          Properties:
            RestApiId: !Ref SMAPI
            Path: /students
            Method: post
      Policies:
       - DynamoDBCrudPolicy:
          TableName: !Ref StudentTable 

Outputs:
  StudentManagementApiExecution:
    Description: "API Gateway endpoint URL for Prod stage for StudentManagement function"
    Value: !Sub "https://${SMAPI}.execute-api.${AWS::Region}.amazonaws.com/prod"
  StudentManagementLambdadFunction:
    Description: "StudentManagement Lambda Function ARN"
    Value: !GetAtt SMLambda.Arn
  SMLambdaFunctionIamRole:
    Description: "Implicit IAM Role created for StudentManagement function"
    Value: !GetAtt SMLambdaRole.Arn