docker部署kafka

1. 下载zookeeper镜像

docker pull wurstmeister/zookeeper

2. 下载kafka镜像

docker pull wurstmeister/kafka

3. 启动zookeeper

docker run -d --name zookeeper -p 2181:2181  -t wurstmeister/zookeeper

4. 启动kafka

docker run -d --name kafka --publish 9092:9092 --link zookeeper:zookeeper -e KAFKA_BROKER_ID=1  -e HOST_IP=192.168.65.7  -e KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181 -e KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://192.168.65.7:9092  -e KAFKA_ADVERTISED_HOST_NAME=192.168.65.7 -e KAFKA_ADVERTISED_PORT=9082  --restart=always  -t  wurstmeister/kafka

部分参数含义：

KAFKA_BROKER_ID=1 kafka在集群中的唯一标识
KAFKA_ZOOKEEPER_CONNECT=zookeeper:12181 监听zookeeper的地址 
KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://192.168.65.7:19092 kafka服务器的地址

5. 进入kafka容器

1. 查看kafka镜像id
   docker ps -a
   
2. 进入容器

docker exec -it ${CONTAINER ID} /bin/bash

3. 进入kafka的bin目录下

cd /opt/kafka_2.18/bin

4. 创建topic

./kafka-topics.sh --create --zookeeper zookeeper:2181 --replication-factor 1 --partitions 1 --topic mykafka

5. 运行生产者

./kafka-console-producer.sh --broker-list localhost:9092 --topic mykafka

6. 消费topic

./kafka-console-consumer.sh --bootstrap-server 127.0.0.1:9092 --from-beginning --topic mykafka