improved readme

Author: Vadym Kazulkin

spring-boot-3.2-docker-image-with-crac/src/main/java/software/amazonaws/example/product/handler/GetProductByIdHandler.java

@@ -3,9 +3,6 @@
 
 package software.amazonaws.example.product.handler;
 
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
 import java.util.Optional;
 import java.util.Properties;
 import java.util.function.Function;
@@ -36,14 +33,6 @@ public class GetProductByIdHandler implements Function<APIGatewayProxyRequestEve
 
 	public APIGatewayProxyResponseEvent apply(APIGatewayProxyRequestEvent requestEvent) {
 
-		Path filePath = Path.of("/tmp/crac/dump4.log"); 
-		try {
-			String content = Files.readString(filePath);
-			logger.info("crac dump" +content);
-		} catch (IOException e) {
-			logger.info("error reading dmup" +e.getMessage());			
- 		}
-		
 		Properties prop = System.getProperties();
         logger.info ("JVM Vendor : " + prop.getProperty("java.vendor") );
 		String id = requestEvent.getPathParameters().get("id");

spring-boot-3.2-docker-image-with-crac/template.yaml

@@ -15,7 +15,7 @@ Globals:
     MemorySize: 1024   
     Environment:
       Variables:
-        JAVA_TOOL_OPTIONS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
+        JAVA_TOOL_OPTIONS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1 -Dspring.context.checkpoint=onRefresh -XX:CRaCCheckpointTo=/tmp/crac"
         MAIN_CLASS: software.amazonaws.Application
         PRODUCT_TABLE_NAME: !Ref ProductsTable
 
@@ -139,7 +139,7 @@ Resources:
     Type: AWS::Serverless::Function
     Properties:
       PackageType: Image
-      ImageUri: !Sub ${AWS::AccountId}.dkr.ecr.eu-central-1.amazonaws.com/aws-spring-boot-3.2-java21-with-crac-custom-docker-image:v1
+      ImageUri: !Sub ${AWS::AccountId}.dkr.ecr.eu-central-1.amazonaws.com/aws-spring-boot-3.2-java21-crac-custom-docker-image:v1
       ImageConfig:
         Command: ["org.springframework.cloud.function.adapter.aws.FunctionInvoker::handleRequest"]
       Environment: