AWS SAM 템플릿 생성

AWS SAM 템플릿을 생성하려면

1. SAM-Tutorial이라는 디렉터리를 생성합니다.

2. SAM-Tutorial 디렉터리에서 template.yml이라는 파일을 생성합니다.

3. 다음 YAML 코드를 template.yml에 복사합니다. 이 파일은 AWS SAM 템플릿입니다.

   AWSTemplateFormatVersion : '2010-09-09'
   Transform: AWS::Serverless-2016-10-31
   Description: A sample SAM template for deploying Lambda functions.
   
   Resources:
   # Details about the myDateTimeFunction Lambda function
     myDateTimeFunction:
       Type: AWS::Serverless::Function
       Properties:
         Handler: myDateTimeFunction.handler
         Runtime: nodejs18.x
   # Instructs your myDateTimeFunction is published to an alias named "live".      
         AutoPublishAlias: live
   # Grants this function permission to call lambda:InvokeFunction
         Policies:
           - Version: "2012-10-17"		 	 	 
             Statement: 
             - Effect: "Allow"
               Action: 
                 - "lambda:InvokeFunction"
               Resource: '*'
         DeploymentPreference:
   # Specifies the deployment configuration      
             Type: Linear10PercentEvery1Minute
   # Specifies Lambda functions for deployment lifecycle hooks
             Hooks:
               PreTraffic: !Ref beforeAllowTraffic
               PostTraffic: !Ref afterAllowTraffic
               
   # Specifies the BeforeAllowTraffic lifecycle hook Lambda function
     beforeAllowTraffic:
       Type: AWS::Serverless::Function
       Properties:
         Handler: beforeAllowTraffic.handler
         Policies:
           - Version: "2012-10-17"		 	 	 
   # Grants this function permission to call codedeploy:PutLifecycleEventHookExecutionStatus        
             Statement: 
             - Effect: "Allow"
               Action: 
                 - "codedeploy:PutLifecycleEventHookExecutionStatus"
               Resource:
                 !Sub 'arn:aws:codedeploy:${AWS::Region}:${AWS::AccountId}:deploymentgroup:${ServerlessDeploymentApplication}/*'
           - Version: "2012-10-17"		 	 	 
   # Grants this function permission to call lambda:InvokeFunction        
             Statement: 
             - Effect: "Allow"
               Action: 
                 - "lambda:InvokeFunction"
               Resource: !Ref myDateTimeFunction.Version
         Runtime: nodejs18.x
   # Specifies the name of the Lambda hook function      
         FunctionName: 'CodeDeployHook_beforeAllowTraffic'
         DeploymentPreference:
           Enabled: false
         Timeout: 5
         Environment:
           Variables:
             NewVersion: !Ref myDateTimeFunction.Version
             
   # Specifies the AfterAllowTraffic lifecycle hook Lambda function
     afterAllowTraffic:
       Type: AWS::Serverless::Function
       Properties:
         Handler: afterAllowTraffic.handler
         Policies:
           - Version: "2012-10-17"		 	 	 
             Statement: 
   # Grants this function permission to call codedeploy:PutLifecycleEventHookExecutionStatus         
             - Effect: "Allow"
               Action: 
                 - "codedeploy:PutLifecycleEventHookExecutionStatus"
               Resource:
                 !Sub 'arn:aws:codedeploy:${AWS::Region}:${AWS::AccountId}:deploymentgroup:${ServerlessDeploymentApplication}/*'
           - Version: "2012-10-17"		 	 	 
             Statement: 
   # Grants this function permission to call lambda:InvokeFunction          
             - Effect: "Allow"
               Action: 
                 - "lambda:InvokeFunction"
               Resource: !Ref myDateTimeFunction.Version
         Runtime: nodejs18.x
   # Specifies the name of the Lambda hook function      
         FunctionName: 'CodeDeployHook_afterAllowTraffic'
         DeploymentPreference:
           Enabled: false
         Timeout: 5
         Environment:
           Variables:
             NewVersion: !Ref myDateTimeFunction.Version