template.yml

AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: >
  AWS SAM Lambda function example 
  
Parameters:
  Environment:
    Type: String
    Description: Environment name

Globals:
  Function:
    Timeout: 3

Resources:
  DdbTable:
    Type: AWS::DynamoDB::Table
    DeletionPolicy: Retain
    Properties:
      TableName: !Sub tutorial-dynamodb-cicd-${Environment}
      AttributeDefinitions:
        - AttributeName: pk
          AttributeType: S
        - AttributeName: sk
          AttributeType: S
      KeySchema:
        - AttributeName: pk
          KeyType: HASH
        - AttributeName: sk
          KeyType: RANGE
      BillingMode: PAY_PER_REQUEST
      ProvisionedThroughput:
        ReadCapacityUnits: 0
        WriteCapacityUnits: 0

  MainFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: !Sub sam-function-example-${Environment}
      CodeUri: src/
      Handler: main.handler
      Runtime: nodejs12.x
      Environment:
        Variables:
          ddbTable: !Ref DdbTable
      Policies:
      - Statement:
        - Sid: DynamoDBPolicy
          Effect: Allow
          Action:
            - dynamodb:PutItem
          Resource:
            - !GetAtt DdbTable.Arn

Outputs:
  MainFunction:
    Description: "Hello World Lambda Function ARN"
    Value: !GetAtt MainFunction.Arn