# kafka docker

`.env`

```
KAFKA1_BINDING_PORT=9092
KAFKA2_BINDING_PORT=9093
KAFKA3_BINDING_PORT=9094
KAFKA_UI_BINDING_PORT=9000
```

`docker-compose.yml`

```yaml
version: '3.8'
services:
  zookeeper-1:
    image: confluentinc/cp-zookeeper:7.2.6
    ports:
      - '32181:32181'
    environment:
      ZOOKEEPER_CLIENT_PORT: 32181
      ZOOKEEPER_TICK_TIME: 2000
  kafka-1:
    image: confluentinc/cp-kafka:7.2.6
    ports:
      - "${KAFKA1_BINDING_PORT}:9092"
    depends_on:
      - zookeeper-1
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-1:29092,EXTERNAL://localhost:9092
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
      KAFKA_NUM_PARTITIONS: 3
  kafka-2:
    image: confluentinc/cp-kafka:7.2.6
    ports:
      - "${KAFKA2_BINDING_PORT}:9093"
    depends_on:
      - zookeeper-1
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-2:29093,EXTERNAL://localhost:9093
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
      KAFKA_NUM_PARTITIONS: 3
  kafka-3:
    image: confluentinc/cp-kafka:7.2.6
    ports:
      - "${KAFKA3_BINDING_PORT}:9094"
    depends_on:
      - zookeeper-1
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-3:29094,EXTERNAL://localhost:9094
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
      KAFKA_NUM_PARTITIONS: 3
  kafka-ui:
    image: provectuslabs/kafka-ui
    container_name: kafka-ui
    ports:
      - "${KAFKA_UI_BINDING_PORT}:8080"
    restart: always
    environment:
      - KAFKA_CLUSTERS_0_NAME=local
      - KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS=kafka-1:29092,kafka-2:29093,kafka-3:29094
      - KAFKA_CLUSTERS_0_ZOOKEEPER=zookeeper-1:22181
```


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