docker-compose.yml

version: '3'
services:
  keycloak:
    depends_on:
      - "kafka"
    image: keycloak-kafka
    ports:
      - "8080:8080"
    environment:
      KEYCLOAK_ADMIN: admin 
      KEYCLOAK_ADMIN_PASSWORD: admin
      KAFKA_TOPIC: keycloak-events
      KAFKA_CLIENT_ID: keycloak
      KAFKA_BOOTSTRAP_SERVERS: kafka:9094
    command: start-dev
    
  zookeeper:
    restart: always
    image: bitnami/zookeeper:latest
    ports:
      - "2181:2181"
    environment:    
      - ALLOW_ANONYMOUS_LOGIN=yes
      
  kafka:
    depends_on:
      - "zookeeper"
    image: bitnami/kafka:latest
    ports:
      - "9092:9092"
      - "9094:9094"
    environment:
      KAFKA_CFG_ADVERTISED_LISTENERS: INSIDE://:9092,OUTSIDE://kafka:9094
      KAFKA_CFG_LISTENERS: INSIDE://:9092,OUTSIDE://:9094
      KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_CFG_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_CFG_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_CREATE_TOPICS: "keycloak-events:1:1"
      ALLOW_PLAINTEXT_LISTENER: "yes"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock