version: '3'

services:
  broker:
    image: docker.io/bitnami/kafka:latest
    ports:
      - "9092:9092"
      - "9094:9094"
    environment:
      - KAFKA_ENABLE_KRAFT=yes
      - KAFKA_CFG_PROCESS_ROLES=broker,controller
      - KAFKA_CFG_CONTROLLER_LISTENER_NAMES=CONTROLLER
      - KAFKA_CFG_LISTENERS=PLAINTEXT://:9092,CONTROLLER://:9093,EXTERNAL://:9094
      - KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT,EXTERNAL:PLAINTEXT
      - KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://127.0.0.1:9092,EXTERNAL://kafka_b:9094
      - KAFKA_BROKER_ID=1
      - KAFKA_CFG_CONTROLLER_QUORUM_VOTERS=1@127.0.0.1:9093
      - ALLOW_PLAINTEXT_LISTENER=yes
      - KAFKA_CFG_NODE_ID=1
      - KAFKA_AUTO_CREATE_TOPICS_ENABLE=true
      - BITNAMI_DEBUG=yes
      - KAFKA_CFG_NUM_PARTITIONS=2
    healthcheck:
      test: ["CMD-SHELL", "kafka-topics.sh --bootstrap-server localhost:9092 --list"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 5s