kafka-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: kafka-deployment
  labels:
    app: kafka
spec:
  replicas: 1
  selector:
    matchLabels:
      app: kafka
  template:
    metadata:
      name: kafka
      labels:
        app: kafka
    spec:
      containers:
        - name: kafka
          image: confluentinc/cp-kafka:7.0.1
          ports:
            - containerPort: 9092
          env:
            - name: KAFKA_BROKER_ID
              value: "1"
            - name: KAFKA_ZOOKEEPER_CONNECT
              value: 'zookeeper-service:2181'
            - name: KAFKA_LISTENER_SECURITY_PROTOCOL_MAP
              value: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT
            - name: KAFKA_ADVERTISED_LISTENERS
              value: PLAINTEXT://:29092,PLAINTEXT_INTERNAL://kafka-service:9092
            - name: KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR
              value: "1"
            - name: KAFKA_TRANSACTION_STATE_LOG_MIN_ISR
              value: "1"
            - name: KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR
              value: "1"
---
apiVersion: v1
kind: Service
metadata:
  name: kafka-service
spec:
  selector:
    app: kafka
  ports:
    - port: 9092
      targetPort: 9092
      protocol: TCP