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HarshCasperHarshCasper
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setup the application
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‎.github/workflows/ci.yml

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name: Run Integration Tests
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on:
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push:
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paths-ignore:
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- 'README.md'
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branches:
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- main
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pull_request:
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branches:
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- main
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jobs:
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cdk:
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name: Chaos Testing
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v3
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- uses: actions/setup-java@v4
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with:
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distribution: 'temurin'
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java-version: '21'
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- name: Build Lambdas
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run: cd lambda-functions && mvn clean package shade:shade
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- name: Spin up LocalStack
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run: |
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docker-compose up -d
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sleep 100
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env:
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LOCALSTACK_API_KEY: ${{ secrets.LOCALSTACK_API_KEY }}
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- name: Run Integration Tests
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run: |
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pip3 install boto3 pytest
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pytest
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env:
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AWS_DEFAULT_REGION: us-east-1
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AWS_REGION: us-east-1
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AWS_ACCESS_KEY_ID: test
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AWS_SECRET_ACCESS_KEY: test

‎.gitignore

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# LocalStack
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volume/

‎docker-compose.yml

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version: "3.9"
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services:
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localstack:
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networks:
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- ls_network
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container_name: localstack
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image: localstack/localstack-pro:latest
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ports:
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- "127.0.0.1:4566:4566" # LocalStack Gateway
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- "127.0.0.1:4510-4559:4510-4559" # external services port range
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- "127.0.0.1:443:443"
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environment:
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- DOCKER_HOST=unix:///var/run/docker.sock #unix socket to communicate with the docker daemon
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- LOCALSTACK_HOST=localstack # where services are available from other containers
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- LAMBDA_DOCKER_NETWORK=ls_network
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- LOCALSTACK_AUTH_TOKEN=${LOCALSTACK_AUTH_TOKEN:?}
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- LAMBDA_RUNTIME_ENVIRONMENT_TIMEOUT=60
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- PERSIST_ALL=false
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- EXTENSION_AUTO_INSTALL=localstack-extension-outages
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- LAMBDA_RUNTIME_ENVIRONMENT_TIMEOUT=600
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volumes:
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- "./volume:/var/lib/localstack"
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- "/var/run/docker.sock:/var/run/docker.sock"
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- "./lambda-functions/target/product-lambda.jar:/etc/localstack/init/ready.d/target/product-lambda.jar"
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- "./init-resources.sh:/etc/localstack/init/ready.d/init-resources.sh"
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networks:
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ls_network:
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name: ls_network

‎init-resources.sh

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#!/bin/sh
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apt-get -y install jq
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echo "Create DynamoDB table..."
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awslocal dynamodb create-table \
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--table-name Products \
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--attribute-definitions AttributeName=id,AttributeType=S \
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--key-schema AttributeName=id,KeyType=HASH \
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--provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=5 \
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--region us-east-1
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echo "Add Product Lambda..."
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awslocal lambda create-function \
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--function-name add-product \
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--runtime java17 \
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--handler lambda.AddProduct::handleRequest \
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--memory-size 1024 \
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--zip-file fileb:///etc/localstack/init/ready.d/target/product-lambda.jar \
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--region us-east-1 \
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--role arn:aws:iam::000000000000:role/productRole \
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--environment Variables={AWS_REGION=us-east-1}
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echo "Get Product Lambda..."
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awslocal lambda create-function \
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--function-name get-product \
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--runtime java17 \
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--handler lambda.GetProduct::handleRequest \
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--memory-size 1024 \
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--zip-file fileb:///etc/localstack/init/ready.d/target/product-lambda.jar \
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--region us-east-1 \
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--role arn:aws:iam::000000000000:role/productRole \
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--environment Variables={AWS_REGION=us-east-1}
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export REST_API_ID=12345
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echo "Create Rest API..."
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awslocal apigateway create-rest-api --name quote-api-gateway --tags '{"_custom_id_":"12345"}' --region us-east-1
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echo "Export Parent ID..."
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export PARENT_ID=$(awslocal apigateway get-resources --rest-api-id $REST_API_ID --region=us-east-1 | jq -r '.items[0].id')
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echo "Export Resource ID..."
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export RESOURCE_ID=$(awslocal apigateway create-resource --rest-api-id $REST_API_ID --parent-id $PARENT_ID --path-part "productApi" --region=us-east-1 | jq -r '.id')
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echo "RESOURCE ID:"
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echo $RESOURCE
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echo "Put GET Method..."
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awslocal apigateway put-method \
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--rest-api-id $REST_API_ID \
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--resource-id $RESOURCE_ID \
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--http-method GET \
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--request-parameters "method.request.path.productApi=true" \
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--authorization-type "NONE" \
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--region=us-east-1
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echo "Put POST Method..."
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awslocal apigateway put-method \
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--rest-api-id $REST_API_ID \
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--resource-id $RESOURCE_ID \
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--http-method POST \
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--request-parameters "method.request.path.productApi=true" \
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--authorization-type "NONE" \
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--region=us-east-1
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echo "Update GET Method..."
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awslocal apigateway update-method \
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--rest-api-id $REST_API_ID \
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--resource-id $RESOURCE_ID \
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--http-method GET \
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--patch-operations "op=replace,path=/requestParameters/method.request.querystring.param,value=true" \
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--region=us-east-1
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echo "Put POST Method Integration..."
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awslocal apigateway put-integration \
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--rest-api-id $REST_API_ID \
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--resource-id $RESOURCE_ID \
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--http-method POST \
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--type AWS_PROXY \
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--integration-http-method POST \
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--uri arn:aws:apigateway:us-east-1:lambda:path/2015-03-31/functions/arn:aws:lambda:us-east-1:000000000000:function:add-product/invocations \
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--passthrough-behavior WHEN_NO_MATCH \
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--region=us-east-1
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echo "Put GET Method Integration..."
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awslocal apigateway put-integration \
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--rest-api-id $REST_API_ID \
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--resource-id $RESOURCE_ID \
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--http-method GET \
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--type AWS_PROXY \
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--integration-http-method GET \
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--uri arn:aws:apigateway:us-east-1:lambda:path/2015-03-31/functions/arn:aws:lambda:us-east-1:000000000000:function:get-product/invocations \
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--passthrough-behavior WHEN_NO_MATCH \
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--region=us-east-1
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echo "Create DEV Deployment..."
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awslocal apigateway create-deployment \
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--rest-api-id $REST_API_ID \
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--stage-name dev \
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--region=us-east-1
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awslocal sns create-topic --name ProductEventsTopic
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awslocal sqs create-queue --queue-name ProductEventsQueue
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awslocal sqs get-queue-attributes --queue-url http://localhost:4566/000000000000/ProductEventsQueue --attribute-names QueueArn
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awslocal sns subscribe \
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--topic-arn arn:aws:sns:us-east-1:000000000000:ProductEventsTopic \
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--protocol sqs \
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--notification-endpoint arn:aws:sqs:us-east-1:000000000000:ProductEventsQueue
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awslocal lambda create-function \
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--function-name process-product-events \
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--runtime java17 \
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--handler lambda.DynamoDBWriterLambda::handleRequest \
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--memory-size 1024 \
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--zip-file fileb:///etc/localstack/init/ready.d/target/product-lambda.jar \
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--region us-east-1 \
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--role arn:aws:iam::000000000000:role/productRole
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awslocal lambda create-event-source-mapping \
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--function-name process-product-events \
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--batch-size 10 \
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--event-source-arn arn:aws:sqs:us-east-1:000000000000:ProductEventsQueue
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awslocal sqs set-queue-attributes \
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--queue-url http://localhost:4566/000000000000/ProductEventsQueue \
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--attributes VisibilityTimeout=10

‎lambda-functions/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>product-lambda</artifactId>
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<groupId>cloud.localstack</groupId>
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<packaging>jar</packaging>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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<exec.cleanupDaemonThreads>false</exec.cleanupDaemonThreads>
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</properties>
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<dependencies>
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<dependency>
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<groupId>software.amazon.awssdk</groupId>
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<artifactId>lambda</artifactId>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-lambda-java-core</artifactId>
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<version>1.2.2</version>
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</dependency>
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<dependency>
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<groupId>software.amazon.awssdk</groupId>
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<artifactId>protocol-core</artifactId>
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<version>2.20.69</version>
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</dependency>
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<dependency>
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<groupId>software.amazon.awssdk</groupId>
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<artifactId>s3</artifactId>
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</dependency>
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<dependency>
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<groupId>software.amazon.awssdk</groupId>
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<artifactId>dynamodb</artifactId>
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<version>2.20.68</version>
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</dependency>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-lambda-java-events</artifactId>
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<version>3.11.3</version>
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</dependency>
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<!-- Jackson Core -->
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-core</artifactId>
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<version>2.13.3</version>
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</dependency>
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<!-- Jackson Databind -->
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-databind</artifactId>
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<version>2.13.3</version>
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</dependency>
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<!-- Jackson Annotations -->
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-annotations</artifactId>
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<version>2.15.1</version>
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</dependency>
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<dependency>
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<groupId>software.amazon.awssdk</groupId>
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<artifactId>sns</artifactId>
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<version>2.20.69</version>
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</dependency>
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<!-- SLF4J API -->
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>2.0.7</version>
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</dependency>
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<!-- Logback Classic Implementation -->
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-classic</artifactId>
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<version>1.4.7</version>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>software.amazon.awssdk</groupId>
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<artifactId>bom</artifactId>
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<version>2.20.47</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<build>
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<finalName>product-lambda</finalName>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<filtering>true</filtering>
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</resource>
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</resources>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>2.4.3</version>
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<configuration>
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<createDependencyReducedPom>false</createDependencyReducedPom>
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</configuration>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

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