docker-compose.yml

version: '3.1'

# https://docs.docker.com/guides/kafka/

services:
  kafka:
    image: apache/kafka-native
    ports:
      - "9092:9092" # for HOST connections
    expose:
      - "9093" # for DOCKER connections
    environment:
      # Configure listeners for both docker and host communication
      KAFKA_LISTENERS: CONTROLLER://localhost:9091,HOST://0.0.0.0:9092,DOCKER://0.0.0.0:9093
      KAFKA_ADVERTISED_LISTENERS: HOST://localhost:9092,DOCKER://kafka:9093
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,DOCKER:PLAINTEXT,HOST:PLAINTEXT

      # Settings required for KRaft mode
      KAFKA_NODE_ID: 1
      KAFKA_PROCESS_ROLES: broker,controller
      KAFKA_CONTROLLER_LISTENER_NAMES: CONTROLLER
      KAFKA_CONTROLLER_QUORUM_VOTERS: 1@localhost:9091

      # Listener to use for broker-to-broker communication
      KAFKA_INTER_BROKER_LISTENER_NAME: DOCKER

      # Required for a single node cluster
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  kafka-ui:
    image: ghcr.io/kafbat/kafka-ui:latest
    ports:
      - 8080:8080
    environment:
      DYNAMIC_CONFIG_ENABLED: "true"
      KAFKA_CLUSTERS_0_NAME: local
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:9093
    depends_on:
      - kafka