Access Kafka inside Docker from host

docker-compose.yaml

# More information:
# https://www.confluent.io/blog/kafka-listeners-explained/
# https://docs.confluent.io/platform/current/app-development/kafkacat-usage.html


# Configuration #1
# Two Kafka listeners, one docker-internal (docker container - docker container) and one docker-external (host - docker container)
# from computer to kafka: localhost:9093
# from Docker internals: kafka:9092 (resolved by Docker DNS)

services:
    zookeeper:
    image: docker.io/bitnami/zookeeper:3.7
    ports:
      - "2181:2181"
    volumes:
      - "zookeeper_data:/bitnami"
    environment:
      - ALLOW_ANONYMOUS_LOGIN=yes
  kafka:
    hostname: kafka
    container_name: kafka
    image: docker.io/bitnami/kafka:3
    ports:
      - "9093:9093"
    volumes:
      - "kafka_data:/bitnami"
    depends_on:
      - zookeeper
    environment:
      KAFKA_CFG_ZOOKEEPER_CONNECT: zookeeper:2181
      ALLOW_PLAINTEXT_LISTENER: "yes"
      KAFKA_LISTENERS: DOCKER_INTERNAL://kafka:9092,DOCKER_EXTERNAL://kafka:9093
      KAFKA_ADVERTISED_LISTENERS: DOCKER_INTERNAL://kafka:9092,DOCKER_EXTERNAL://localhost:9093
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: DOCKER_INTERNAL:PLAINTEXT,DOCKER_EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: DOCKER_INTERNAL

volumes:
  zookeeper_data:
    driver: local
  kafka_data:
    driver: local