name: blog-kafka-cleanup-lab

services:
  kafka:
    image: apache/kafka:4.3.1
    environment:
      KAFKA_NODE_ID: 1
      KAFKA_PROCESS_ROLES: broker,controller
      KAFKA_LISTENERS: PLAINTEXT://:9092,CONTROLLER://:9093
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,CONTROLLER:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_CONTROLLER_LISTENER_NAMES: CONTROLLER
      KAFKA_CONTROLLER_QUORUM_VOTERS: 1@kafka:9093
      CLUSTER_ID: p7BQx8NyTqWcK6V1H2m3Rw
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_LOG_DIRS: /var/lib/kafka/data
      KAFKA_LOG_RETENTION_CHECK_INTERVAL_MS: 5000
      KAFKA_LOG_CLEANER_BACKOFF_MS: 1000
    volumes:
      - kafka-data:/var/lib/kafka/data
    healthcheck:
      test: ["CMD", "/opt/kafka/bin/kafka-topics.sh", "--bootstrap-server", "kafka:9092", "--list"]
      interval: 10s
      timeout: 10s
      retries: 12
      start_period: 30s

  kafka-ui:
    image: ghcr.io/kafbat/kafka-ui:v1.5.0
    depends_on:
      kafka:
        condition: service_healthy
    ports:
      - "127.0.0.1:18081:8080"
    environment:
      KAFKA_CLUSTERS_0_NAME: cleanup-demo
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:9092
      KAFKA_CLUSTERS_0_READONLY: "true"
      DYNAMIC_CONFIG_ENABLED: "false"

volumes:
  kafka-data: