kafka kraft docker compose环境变量配置

根据提供的引用内容，我理解您想了解如何在kafka kraft docker compose环境中配置环境变量。具体操作步骤如下：

1. 在docker-compose.yml文件中添加环境变量配置，例如：

version: '3'
services:
  kafka:
    image: wurstmeister/kafka:2.13-2.7.0
    container_name: kafka
    environment:
      KAFKA_ADVERTISED_HOST_NAME: 127.0.0.1
      KAFKA_ADVERTISED_PORT: 9092
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
    ports:
      - "9092:9092"
    depends_on:
      - zookeeper
  zookeeper:
    image: wurstmeister/zookeeper:3.4.6
    container_name: zookeeper
    ports:
      - "2181:2181"

在上述示例中，我们在kafka服务中添加了三个环境变量配置，分别为KAFKA_ADVERTISED_HOST_NAME、KAFKA_ADVERTISED_PORT和KAFKA_ZOOKEEPER_CONNECT。

2. 在kafka服务中使用环境变量，例如：

version: '3'
services:
  kafka:
    image: wurstmeister/kafka:2.13-2.7.0
    container_name: kafka
    environment:
      KAFKA_ADVERTISED_HOST_NAME: ${KAFKA_ADVERTISED_HOST_NAME}
      KAFKA_ADVERTISED_PORT: ${KAFKA_ADVERTISED_PORT}
      KAFKA_ZOOKEEPER_CONNECT: ${KAFKA_ZOOKEEPER_CONNECT}
    ports:
      - "${KAFKA_ADVERTISED_PORT}:${KAFKA_ADVERTISED_PORT}"
    depends_on:
      - zookeeper
  zookeeper:
    image: wurstmeister/zookeeper:3.4.6
    container_name: zookeeper
    ports:
      - "2181:2181"

在上述示例中，我们使用了${}语法来引用环境变量。