CloudFormation Template Generator

AWSTemplateFormatVersion: "2010-09-09"
Description: MyStack - generated by Cloud Edventures

# ─────────────────────────────────────────────────────
# Parameters
# ─────────────────────────────────────────────────────
Parameters:
  ProjectName:
    Type: String
    Default: MyStack
    Description: Name tag applied to all resources

  Environment:
    Type: String
    Default: dev
    AllowedValues: [dev, staging, prod]
    Description: Deployment environment

# ─────────────────────────────────────────────────────
# Resources
# ─────────────────────────────────────────────────────
Resources:
  # ─── Lambda Function ──────────────────────────────
  MyLambdaFunction:
    Type: AWS::Lambda::Function
    Properties:
      FunctionName: !Sub "${AWS::StackName}-function"
      Runtime: python3.12
      Handler: index.handler
      Role: !GetAtt LambdaExecutionRole.Arn
      Timeout: 30
      MemorySize: 256
      Environment:
        Variables:
          ENVIRONMENT: !Ref Environment
      Code:
        ZipFile: |
          import json
          def handler(event, context):
              return {
                  'statusCode': 200,
                  'body': json.dumps({'message': 'Hello from Lambda!'})
              }
      Tags:
        - Key: Project
          Value: !Ref ProjectName

  # ─── IAM Role for Lambda ──────────────────────────
  LambdaExecutionRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: !Sub "${AWS::StackName}-lambda-role"
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: Allow
            Principal:
              Service: lambda.amazonaws.com
            Action: sts:AssumeRole
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
      Tags:
        - Key: Project
          Value: !Ref ProjectName

# ─────────────────────────────────────────────────────
# Outputs
# ─────────────────────────────────────────────────────
Outputs:
  LambdaFunctionArn:
    Value: !GetAtt MyLambdaFunction.Arn
    Description: Lambda function ARN
    Export:
      Name: !Sub "${AWS::StackName}-LambdaArn"