docker-compose.yml

version: "3.1"
networks:
  simple-kafka-net:
    driver: bridge

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.4.0
    container_name: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    networks:
      - "simple-kafka-net"

  kafka:
    image: confluentinc/cp-kafka:7.4.0
    hostname: kafka
    container_name: kafka
    ports:
      - "9092:9092"
    expose:
      - "29092"
    depends_on:
      - zookeeper
    environment:
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_ADVERTISED_HOST_NAME: localhost
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_MIN_INSYNC_REPLICAS: 1
    networks:
      - "simple-kafka-net"

# alternative to create topic in docker-compose
#  initial-topic-kafka:
#    image: confluentinc/cp-kafka:7.4.0
#    depends_on:
#      - kafka
#    entrypoint: [ '/bin/sh', '-c' ]
#    command: |
#      "
#      kafka-topics --bootstrap-server kafka:29092 --list
#
#      echo -e 'Creating kafka topics'
#      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic hello-world-topic --replication-factor 1 --partitions 3
#      "
#    networks:
#      - "simple-kafka-net"

  akhq:
    image: tchiotludo/akhq
    environment:
      AKHQ_CONFIGURATION: |
        akhq:
          connections:
            docker-kafka-server:
              properties:
                bootstrap.servers: "kafka:29092"
    ports:
      - 8093:8080
    networks:
      - "simple-kafka-net"