docker部署kafka
单节点部署Zookeeper和Kafka
参考文章:https://blog.csdn.net/qyj19920704/article/details/148240392
1、创建docker-compose.yml文件
使用的是 Confluent Platform 的 Kafka 镜像
version: "3"services:zookeeper:image: confluentinc/cp-zookeeper:7.4.0platform: linux/amd64 # 明确指定平台hostname: zookeepercontainer_name: zookeeperports:- "2181:2181"environment:ZOOKEEPER_CLIENT_PORT: 2181ZOOKEEPER_TICK_TIME: 2000# 生产环境建议增加以下配置ZOOKEEPER_SERVER_ID: 1ZOOKEEPER_SERVERS: "zookeeper:2888:3888"kafka:image: confluentinc/cp-kafka:7.4.0platform: linux/amd64hostname: kafkacontainer_name: kafkadepends_on:- zookeeperports:- "9092:9092"- "29092:29092" # 用于容器间通信environment:KAFKA_BROKER_ID: 1KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXTKAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092,PLAINTEXT_INTERNAL://kafka:29092KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT_INTERNALKAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1# 内存配置(根据实际情况调整)KAFKA_HEAP_OPTS: "-Xmx1G -Xms1G"
2、启动服务
docker-compose up -d

3、进入容器
docker-compose exec kafka bash

4、新建topic
kafka-topics --create --topic test-topic --bootstrap-server localhost:9092 --partitions 1 --replication-factor 1

也可不进入容器新建topic
查看topic情况
docker-compose exec kafka kafka-topics --describe --topic test-topic --bootstrap-server localhost:9092

5、新建生产者
kafka-console-producer --topic test-topic --bootstrap-server localhost:9092

也可容器外新建生产者
docker-compose exec kafka kafka-console-producer --topic test-topic --bootstrap-server localhost:9092

6、新建消费者
# 方法 1:从最早的消息开始消费(等待新消息)
docker-compose exec kafka kafka-console-consumer --topic test-topic --bootstrap-server localhost:9092 --from-beginning# 方法 2:实时消费新消息(先启动消费者,再发送消息)
docker-compose exec kafka kafka-console-consumer --topic test-topic --bootstrap-server localhost:9092# 方法 3:显示 key 和 value
docker-compose exec kafka kafka-console-consumer --topic test-topic --bootstrap-server localhost:9092 --from-beginning --property print.key=true --property print.value=true# 方法 4:显示时间戳
docker-compose exec kafka kafka-console-consumer --topic test-topic --bootstrap-server localhost:9092 --from-beginning --property print.timestamp=true

