Cleanup

Author: rimironenko

Dockerfile_corretto19

@@ -4,11 +4,11 @@ FROM --platform=linux/amd64 amazonlinux:2
 RUN rpm --import https://yum.corretto.aws/corretto.key
 RUN curl -L -o /etc/yum.repos.d/corretto.repo https://yum.corretto.aws/corretto.repo
 
-# Update the packages and install Amazon Corretto 18, Maven and Zip
+# Update the packages and install Amazon Corretto 19, Maven and Zip
 RUN yum -y update
 RUN yum install -y java-19-amazon-corretto-devel maven zip
 
-# Set Java 18 as the default
+# Set Java 19 as the default
 RUN update-alternatives --set java "/usr/lib/jvm/java-19-amazon-corretto/bin/java"
 RUN update-alternatives --set javac "/usr/lib/jvm/java-19-amazon-corretto/bin/javac"
 
@@ -24,7 +24,7 @@ RUN jdeps -q \
     --print-module-deps \
     target/lambda-app.jar > jre-deps.info
 
-# Create a slim Java 18 JRE which only contains the required modules to run the function
+# Create a slim Java 19 JRE which only contains the required modules to run the function
 RUN jlink --verbose \
     --compress 2 \
     --strip-java-debug-attributes \
@@ -34,7 +34,7 @@ RUN jlink --verbose \
     --add-modules $(cat jre-deps.info)
 
 # Use Javas Application Class Data Sharing feature
-# It creates the file /jre18-slim/lib/server/classes.jsa
+# It creates the file /jre18-custom/lib/server/classes.jsa
 RUN /jre-custom/bin/java -Xshare:dump
 
 # Package everything together into a custom runtime archive

Dockerfile_graalvm

@@ -44,7 +44,7 @@ RUN jdeps -q \
     --print-module-deps \
     target/lambda-app.jar > jre-deps.info
 
-# Create a slim Java 18 JRE which only contains the required modules to run the function
+# Create a slim Java 17 GraalVM JRE which only contains the required modules to run the function
 RUN jlink --verbose \
     --compress 2 \
     --strip-java-debug-attributes \
@@ -54,7 +54,7 @@ RUN jlink --verbose \
     --add-modules $(cat jre-deps.info)
 
 # Use Javas Application Class Data Sharing feature
-# It creates the file /jre18-slim/lib/server/classes.jsa
+# It creates the file /jre-custom/lib/server/classes.jsa
 RUN /jre-custom/bin/java -Xshare:dump
 
 # Package everything together into a custom runtime archive

build-java17-graalvm.sh

@@ -1,10 +1,12 @@
 #!/bin/sh
 
+# Remove a previously created application
 file1="lambda-app-graalvm.zip"
 if [ -f "$file1" ] ; then
     rm "$file1"
 fi
 
+# Remove a previously created custom layer
 file2="graalvm-layer.zip"
 if [ -f "$file2" ] ; then
     rm "$file2"

build-java19-custom.sh

@@ -1,11 +1,12 @@
 #!/bin/sh
 
-# Remove a previously created custom runtime
+# Remove a previously created application
 file1="lambda-app.zip"
 if [ -f "$file1" ] ; then
     rm "$file1"
 fi
 
+# Remove a previously created custom layer
 file2="layer.zip"
 if [ -f "$file2" ] ; then
     rm "$file2"

lambda-app/src/main/java/com/home/amazon/serverless/DynamoDbWriteHandler.java

@@ -7,13 +7,6 @@
 import software.amazon.awssdk.enhanced.dynamodb.DynamoDbEnhancedClient;
 import software.amazon.awssdk.enhanced.dynamodb.DynamoDbTable;
 import software.amazon.awssdk.enhanced.dynamodb.TableSchema;
-
-/**
- * Lambda function entry point. You can change to use other pojo type or implement
- * a different RequestHandler.
- *
- * @see <a href=https://docs.aws.amazon.com/lambda/latest/dg/java-handler.html>Lambda Java Handler</a> for more information
- */
 public class DynamoDbWriteHandler implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {
 
     private final DynamoDbEnhancedClient dynamoDbEnhancedClient = DependencyFactory.dynamoDbEnhancedClient();

template-java11-runtime.yaml

@@ -1,8 +1,6 @@
 AWSTemplateFormatVersion: '2010-09-09'
 Transform: AWS::Serverless-2016-10-31
 Resources:
-  # See https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/sam-resource-function.html
-  # for more info to see how to tune the lambda function configs based on your use case.
 
   ItemTable:
     Type: AWS::Serverless::SimpleTable

template-java17-graalvm-runtime.yaml

@@ -1,8 +1,6 @@
 AWSTemplateFormatVersion: '2010-09-09'
 Transform: AWS::Serverless-2016-10-31
 Resources:
-  # See https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/sam-resource-function.html
-  # for more info to see how to tune the lambda function configs based on your use case.
 
   ItemTable:
     Type: AWS::Serverless::SimpleTable

template-java19-custom-runtime.yaml

@@ -1,8 +1,6 @@
 AWSTemplateFormatVersion: '2010-09-09'
 Transform: AWS::Serverless-2016-10-31
 Resources:
-  # See https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/sam-resource-function.html
-  # for more info to see how to tune the lambda function configs based on your use case.
 
   ItemTable:
     Type: AWS::Serverless::SimpleTable