docker-compose.yaml

version: '3.8'

networks:
  app-net:
    driver: bridge

services:
  app:
    build:
      context: .
    ports:
      - "3000:3000"
    depends_on:
      kafka:
        condition: service_healthy
    networks:
      - app-net

  kafka:
    image: 'bitnami/kafka:latest'
    restart: unless-stopped
    networks:
      - app-net
    ports:
      - '9092:9092'
      - '9094:9094'
    environment:
      - KAFKA_CFG_NODE_ID=0
      - KAFKA_CFG_PROCESS_ROLES=controller,broker
      - KAFKA_CFG_CONTROLLER_QUORUM_VOTERS=0@kafka:9093
      - KAFKA_CFG_LISTENERS=PLAINTEXT://:9092,CONTROLLER://:9093,EXTERNAL://:9094
      - KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://kafka:9092,EXTERNAL://${KAFKA_EXTERNAL_HOST}
      - KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=CONTROLLER:PLAINTEXT,EXTERNAL:PLAINTEXT,PLAINTEXT:PLAINTEXT
      - KAFKA_CFG_CONTROLLER_LISTENER_NAMES=CONTROLLER
    healthcheck:
      test: ["CMD", "kafka-topics.sh", "--list", "--bootstrap-server", "kafka:9092"]
      start_period: 120s
      interval: 15s
      timeout: 10s
      retries: 5