Using the DynamoDB with Serverless Framework

Requirement :

Create a table if non existent and enable TTL for a table via Cloud-formation.

Explanation :

Reference [1] will provide insight to install the requirements and build a sample project. Add the following code to the template.yaml file

AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: >
Parameters:
  AppName:
    Type: String
    Default: ii-app
  Stage:
    Type: String
    Default: dev
Resources:
##### DynamoDB specification for Internal integration metadata #####
InternalIntegrationMetadata:
    Type: AWS::DynamoDB::Table
    DeletionPolicy: Retain
    Properties:
      TableName: "internal_integration_metadata"
      TableClass: STANDARD
      BillingMode: PROVISIONED
      AttributeDefinitions:
        - AttributeName: RequestId
          AttributeType: S
        - AttributeName: Key
          AttributeType: S
        - AttributeName: Value
          AttributeType: S
        - AttributeName: ExpirationDate
          AttributeType: N
      KeySchema:
        - AttributeName: RequestId
          KeyType: "HASH"
      ProvisionedThroughput:
        ReadCapacityUnits: 2
        WriteCapacityUnits: 2
      TimeToLiveSpecification:
        AttributeName: ExpirationDate
        Enabled: True

References :

1. https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-getting-started.html
2. https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-dynamodb-timetolivespecification.html
3. https://docs.aws.amazon.com/toolkit-for-vscode/latest/userguide/setup-credentials.html
4. https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html