apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: kafka
  namespace: general-bots
spec:
  serviceName: kafka
  replicas: 3
  selector:
    matchLabels:
      app: kafka
  template:
    metadata:
      labels:
        app: kafka
    spec:
      containers:
      - name: kafka
        image: confluentinc/cp-kafka:7.4.0
        ports:
        - containerPort: 9092
        env:
        - name: KAFKA_ZOOKEEPER_CONNECT
          value: zookeeper:2181
        - name: KAFKA_ADVERTISED_LISTENERS
          value: PLAINTEXT://kafka-$(POD_NAME).kafka:9092
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        volumeMounts:
        - name: kafka-data
          mountPath: /var/lib/kafka/data
  volumeClaimTemplates:
  - metadata:
      name: kafka-data
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 100Gi
---
apiVersion: v1
kind: Service
metadata:
  name: kafka
  namespace: general-bots
spec:
  clusterIP: None
  selector:
    app: kafka
  ports:
  - port: 9092