Deploying to Cloud Platforms

{
  "family": "orders",
  "networkMode": "awsvpc",
  "requiresCompatibilities": ["FARGATE"],
  "cpu": "512", "memory": "1024",
  "containerDefinitions": [{
    "name": "app",
    "image": "ghcr.io/myorg/orders:1.0",
    "portMappings": [{ "containerPort": 8080 }],
    "environment": [{ "name": "SPRING_PROFILES_ACTIVE", "value": "prod" }],
    "healthCheck": {
      "command": ["CMD-SHELL","wget -qO- http://localhost:8080/actuator/health/liveness || exit 1"]
    }
  }]
}

# Procfile
web: java -Dserver.port=$PORT -jar target/app.jar
# system.properties
java.runtime.version=21

gcloud builds submit --tag gcr.io/PROJECT/orders:1.0
gcloud run deploy orders \
  --image gcr.io/PROJECT/orders:1.0 \
  --platform managed --region us-central1 \
  --allow-unauthenticated \
  --set-env-vars SPRING_PROFILES_ACTIVE=prod

az webapp create -g rg -p plan -n my-orders --runtime "JAVA:21-java21"
az webapp deploy -g rg -n my-orders --src-path target/app.jar --type jar
az webapp config appsettings set -g rg -n my-orders \
  --settings SPRING_PROFILES_ACTIVE=prod

apiVersion: apps/v1
kind: Deployment
metadata: { name: orders }
spec:
  replicas: 3
  selector: { matchLabels: { app: orders } }
  template:
    metadata: { labels: { app: orders } }
    spec:
      containers:
      - name: app
        image: ghcr.io/myorg/orders:1.0
        ports: [{ containerPort: 8080 }]
        envFrom: [{ configMapRef: { name: orders-config } }, { secretRef: { name: orders-secret } }]
        livenessProbe:  { httpGet: { path: /actuator/health/liveness,  port: 8080 }, initialDelaySeconds: 30 }
        readinessProbe: { httpGet: { path: /actuator/health/readiness, port: 8080 }, initialDelaySeconds: 10 }
---
apiVersion: v1
kind: Service
metadata: { name: orders }
spec:
  selector: { app: orders }
  ports: [{ port: 80, targetPort: 8080 }]
  type: ClusterIP

kubectl create configmap orders-config \
  --from-literal=SPRING_PROFILES_ACTIVE=prod \
  --from-literal=APP_FEATURE_X_ENABLED=true
kubectl create secret generic orders-secret \
  --from-literal=SPRING_DATASOURCE_PASSWORD=$DB_PASSWORD

./mvnw spring-boot:build-image \
  -Dspring-boot.build-image.imageName=ghcr.io/myorg/orders:1.0
# OR
pack build ghcr.io/myorg/orders:1.0 \
  --builder paketobuildpacks/builder-jammy-base

apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata: { name: orders }
spec:
  scaleTargetRef: { apiVersion: apps/v1, kind: Deployment, name: orders }
  minReplicas: 3
  maxReplicas: 20
  metrics:
  - type: Resource
    resource: { name: cpu, target: { type: Utilization, averageUtilization: 70 } }

<dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-kubernetes-client-config</artifactId>
</dependency>
<dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-kubernetes-client-discovery</artifactId>
</dependency>