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使用 docker 镜像部署一套单节点的 Zookeeper + Kafka，但是一直Java却连不上一些处理思路。
为了提高部署效率，这里提供一个简单可启动的docker-compose。

version: "3.3"
services:zookeeper:image: zookeeper:3.5.5restart: alwayscontainer_name: zookeeperports:- "2181:2181"expose:- "2181"environment:- ZOO_MY_ID=1kafka:image: wurstmeister/kafka:2.12-2.2.1restart: alwayscontainer_name: kafkaenvironment:- KAFKA_BROKER_ID=1- KAFKA_LISTENERS=PLAINTEXT://kafka:9090- KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181- KAFKA_MESSAGE_MAX_BYTES=2000000ports:- "9090:9090"depends_on:- zookeeper

启动命令：docker-compose -f kafka.yml up -d

查看一下注册信息

docker exec -it zookeeper bash bin/zkCli.sh

• 创建个Topic
  宿主机本身对 kafka 作映射
  

docker run -it --rm --network host wurstmeister/kafka:2.12-2.2.1 \bash /opt/kafka/bin/kafka-topics.sh \--bootstrap-server kafka:9090 \--create --topic logsTopic --partitions 1 --replication-factor 1