Deployment

mvn clean package
cd out/smpp-producer

java -Xms64m -Xmx2048m \
    -Dconfig.properties=settings/config.properties \
    -Dconfig.smpp=settings/context.xml \
    -Dlog4j2.configurationFile=file:settings/log4j2.xml \
    -jar smpp-kafka-producer-2.1.0-spring-boot.jar -p 2775

docker build -t smpp-kafka-producer:latest .

docker run -d \
    --name smpp-producer \
    -p 2775:2775 \
    -p 8080:8080 \
    -p 9090:9090 \
    -e KAFKA_BROKERS=kafka:9092 \
    smpp-kafka-producer:latest

version: '3.8'
services:
  smpp-producer:
    image: smpp-kafka-producer:latest
    ports:
      - "2775:2775"
      - "8080:8080"
      - "9090:9090"
    environment:
      - KAFKA_BROKERS=kafka:9092
      - KAFKA_TOPIC=TR_SMPP
    depends_on:
      - kafka

  kafka:
    image: confluentinc/cp-kafka:7.5.0
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092

kubectl apply -k k8s/

apiVersion: apps/v1
kind: Deployment
metadata:
  name: smpp-producer
  namespace: smpp-producer
spec:
  replicas: 2
  selector:
    matchLabels:
      app: smpp-producer
  template:
    spec:
      containers:
        - name: smpp-producer
          image: smpp-kafka-producer:latest
          ports:
            - containerPort: 2775
              name: smpp
            - containerPort: 8080
              name: http
            - containerPort: 9090
              name: metrics
          resources:
            requests:
              memory: "512Mi"
              cpu: "500m"
            limits:
              memory: "2Gi"
              cpu: "2000m"
          livenessProbe:
            httpGet:
              path: /health/live
              port: 8080
            initialDelaySeconds: 30
          readinessProbe:
            httpGet:
              path: /health/ready
              port: 8080
            initialDelaySeconds: 10

# Scale replicas
kubectl scale deployment smpp-producer -n smpp-producer --replicas=4

# Horizontal Pod Autoscaler
kubectl autoscale deployment smpp-producer \
    -n smpp-producer \
    --min=2 --max=10 \
    --cpu-percent=70