template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  json-to-dynamodb
# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
Globals:
  Function:
    Timeout: 300

Parameters:
  DynamoDBTableNameParameter:
    Type: String
  DynamoDBPrimaryKeyParameter:
    Type: String
  DynamoDBSearchableFieldsParameter:
    Type: String

Resources:
  JSONToDynamoDBFunction:
    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: json-to-dynamodb/
      Handler: app.lambdaHandler
      Runtime: nodejs12.x
      Environment:
        Variables:
          TABLE_NAME: !Ref DynamoDBTableNameParameter
          PRIMARY_KEY: !Ref DynamoDBPrimaryKeyParameter
          SEARCHABLE_FIELDS: !Ref DynamoDBSearchableFieldsParameter
      Policies:
        - DynamoDBCrudPolicy:
            TableName: !Ref DynamoDBTableNameParameter

Outputs:
  # ServerlessRestApi is an implicit API created out of Events key under Serverless::Function
  # Find out more about other implicit resources you can reference within SAM
  # https://github.com/awslabs/serverless-application-model/blob/master/docs/internals/generated_resources.rst#api
  JSONToDynamoDBFunction:
    Description: "JSON to Dynamo Lambda Function ARN"
    Value: !GetAtt JSONToDynamoDBFunction.Arn
  JSONToDynamoDBFunctionIamRole:
    Description: "Implicit IAM Role created for JSON to Dynamo function"
    Value: !GetAtt JSONToDynamoDBFunctionRole.Arn