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Optimize Serverless Apps In Google Cloud - Audit Service

Create a Spring Boot Application

# Note: repository location subject to change!
git clone https://github.com/ddobrin/serverless-production-readiness-java-gcp.git

# Note: subject to change!
cd services/audit

Validate that you have Java 17 and Maven installed

java -version

./mvnw --version

Validate that GraalVM for Java is installed if building native images

java -version

# should indicate or later version
java version "17.0.7" 2023-04-18 LTS
Java(TM) SE Runtime Environment Oracle GraalVM 17.0.7+8.1 (build 17.0.7+8-LTS-jvmci-23.0-b12)
Java HotSpot(TM) 64-Bit Server VM Oracle GraalVM 17.0.7+8.1 (build 17.0.7+8-LTS-jvmci-23.0-b12, mixed mode, sharing)

Validate that the starter app is good to go

./mvnw clean package spring-boot:run

From a terminal window, test the app

curl localhost:8084/start

# Output
Hello from your local environment!

Build a JVM and Native Java application image

./mvnw package -DskipTests 

./mvnw native:compile -Pnative -DskipTests

Build a JVM and Native Java application tests

./mvnw verify

 ./mvnw -PnativeTest test

Start your app with AOT enabled

java -Dspring.aot.enabled -jar target/audit-1.0.0.jar

Build a Docker image with Dockerfiles

# build an image with jlink
docker build . -f ./containerize/Dockerfile-jlink -t audit-jlink

# build an image with a fat JAR
docker build -f ./containerize/Dockerfile-fatjar -t audit-fatjar .

# build an image with custom layers
docker build -f ./containerize/Dockerfile-custom -t audit-custom .

Build a JIT and Native Java Docker Image with Buildpacks

./mvnw spring-boot:build-image -Pjit

./mvnw spring-boot:build-image -Pnative

Build, test with CloudBuild in Cloud Build

gcloud builds submit  --machine-type E2-HIGHCPU-32

gcloud builds submit  --machine-type E2-HIGHCPU-32 --config cloudbuild-native.yaml

Deploy Docker images to Cloud Run

Check existing deployed Cloud Run Services

export PROJECT_ID=$(gcloud config list --format 'value(core.project)')
echo   $PROJECT_ID

gcloud run services list

Deploy the audit JIT image

gcloud run deploy audit \
     --image gcr.io/${PROJECT_ID}/audit \
     --region us-central1 \
     --memory 2Gi --allow-unauthenticated

Deploy the audit Native Java image

gcloud run deploy audit-native \
     --image gcr.io/${PROJECT_ID}/audit-native \
     --region us-central1 \
     --memory 2Gi --allow-unauthenticated

Testing the Audit app

Start the app and test it locally with:

curl --location 'http://localhost:8084' \
--header 'ce-id: test id' \
--header 'ce-source: test source' \
--header 'ce-type: test type' \
--header 'ce-specversion: test specversion' \
--header 'ce-subject: test subject' \
--header 'Content-Type: application/json' \
--data '{
    "message": {
        "randomId": "1fdcc71b-42d9-4a98-aa64-941aae4957f1",
        "quote": "test quote",
        "author": "anonymous",
        "book": "new book",
        "attributes": {}
    }
}'

Test Audit application in Cloud Run

TOKEN=$(gcloud auth print-identity-token)

# Get the URL of the deployed service
# Test JIT image with HTTPie
http -A bearer -a $TOKEN  https://<BASE_URL>/start

curl -H "Authorization: Bearer $(gcloud auth print-identity-token)" \
--header 'ce-id: test id' \
--header 'ce-source: test source' \
--header 'ce-type: test type' \
--header 'ce-specversion: test specversion' \
--header 'ce-subject: test subject' \
--header 'Content-Type: application/json' \
--data '{
    "message": {
        "randomId": "1fdcc71b-42d9-4a98-aa64-941aae4957f1",
        "quote": "test quote",
        "author": "anonymous",
        "book": "new book",
        "attributes": {}
    }
}' -X POST https://audit-ndn7ymldhq-uc.a.run.app