dynamodb_serverless.yaml

resources:
 Resources:
   MetaDataDB:
     Type: AWS::DynamoDB::Table
     Properties:
       TableName: your-dynamodb-table-name
       AttributeDefinitions:
         - AttributeName: username
           AttributeType: S
         - AttributeName: timestamp
           AttributeType: N
       KeySchema:
         - AttributeName: username
           KeyType: HASH
         - AttributeName: timestamp
           KeyType: RANGE
       BillingMode: PAY_PER_REQUEST