template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Serverless patterns - Amazon API Gateway to AWS Lambda to Amazon DynamoDB
Resources:
  MyApi:
    Type: AWS::Serverless::Api
    Properties:
      StageName: Prod
      Cors: "'*'"
      Auth:
        DefaultAuthorizer: CognitoAuthorizer
        Authorizers:
          CognitoAuthorizer:
            UserPoolArn: arn:aws:cognito-idp:us-east-1:132260253285:userpool/us-east-1_Cq10mheEv

  LambdaFunction:
    Type: AWS::Serverless::Function
    Description: 'Lambda function inserts data into DynamoDB table'
    Properties:
      FunctionName: WeatherFunction
      Handler: index.lambda_handler
      Runtime: python3.7
      CodeUri: src/
      Policies:
        DynamoDBCrudPolicy:
          TableName: !Ref DynamoDBTable
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Path: /
            Method: POST
            RestApiId: !Ref MyApi

  GetLambdaFunction:
    Type: AWS::Serverless::Function
    Description: 'Lambda function inserts data into DynamoDB table'
    Properties:
      FunctionName: GetWeatherFunction
      Handler: index.getWeather
      Runtime: python3.7
      CodeUri: src/
      Policies:
        DynamoDBCrudPolicy:
          TableName: !Ref DynamoDBTable
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Path: /
            Method: GET
            RestApiId: !Ref MyApi
            
  DeleteLambdaFunction:
    Type: AWS::Serverless::Function
    Description: 'Lambda function inserts data into DynamoDB table'
    Properties:
      FunctionName: DeleteWeatherFunction
      Handler: index.DeleteWeather
      Runtime: python3.7
      CodeUri: src/
      Policies:
        DynamoDBCrudPolicy:
          TableName: !Ref DynamoDBTable
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Path: /
            Method: DELETE 
            RestApiId: !Ref MyApi 

  UpdateLambdaFunction:
    Type: AWS::Serverless::Function
    Description: 'Lambda function inserts data into DynamoDB table'
    Properties:
      FunctionName: UpdateWeatherFunction
      Handler: index.updateWeather
      Runtime: python3.7
      CodeUri: src/
      Policies:
        DynamoDBCrudPolicy:
          TableName: !Ref DynamoDBTable
      Events:
        ApiEvent:
          Type: Api
          Properties:
            RestApiId: !Ref MyApi 
            Path: /
            Method: PUT 

  MyCognitoUserPool:
    Type: AWS::Cognito::UserPool
    Properties:
      UserPoolName: test1
      Policies:
        PasswordPolicy:
          MinimumLength: 8
      UsernameAttributes:
        - email
      Schema:
        - AttributeDataType: String
          Name: email
          Required: false
  
  MyCognitoUserPoolClient:
    Type: AWS::Cognito::UserPoolClient
    Properties:
      UserPoolId: us-east-1_Cq10mheEv
      ClientName: test1
      GenerateSecret: false       

  DynamoDBTable:
    Type: AWS::Serverless::SimpleTable
    Properties:
      TableName: WeatherData
# Outputs:
#   EndpointUrl:
#     Description: 'HTTP REST endpoint URL'
#     Value: !Sub 'https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod'