docker-compose.yml

version: '2'
services:
  zookeeper-1:
    image: confluentinc/cp-zookeeper
    container_name: zookeeper-1
    environment:
      ZOOKEEPER_CLIENT_PORT: 3181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_INIT_LIMIT: 5
      ZOOKEEPER_SYNC_LIMIT: 2
    ports:
      - "23181:3181"
  kafka-workshop-1:
    image: confluentinc/cp-kafka:latest
    depends_on:
      - zookeeper-1
    container_name: kafka-workshop-1
    ports:
      - "9092:9092"
    restart: always
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:3181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-workshop-1:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 100

  kafka-workshop-2:
    image: confluentinc/cp-kafka:latest
    depends_on:
      - zookeeper-1
    container_name: kafka-workshop-2
    ports:
      - "9093:9093"
    restart: always
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:3181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-workshop-2:29093,PLAINTEXT_HOST://localhost:9093
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 100

  kafka-workshop-3:
    image: confluentinc/cp-kafka:latest
    depends_on:
      - zookeeper-1
    container_name: kafka-workshop-3
    ports:
      - "9094:9094"
    restart: always
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:3181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-workshop-3:29094,PLAINTEXT_HOST://localhost:9094
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 100

  kafka-workshop-ui:
    image: provectuslabs/kafka-ui
    depends_on:
      - kafka-workshop-1
      - kafka-workshop-2
      - kafka-workshop-3
    container_name: kafka-workshop-ui
    ports:
      - "8095:8080"
    restart: always
    environment:
      - KAFKA_CLUSTERS_0_NAME=kafka-workshop-1
      - KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS=kafka-workshop-1:29092
      - KAFKA_CLUSTERS_0_ZOOKEEPER=localhost:23181
      - KAFKA_CLUSTERS_1_NAME=kafka-workshop-2
      - KAFKA_CLUSTERS_1_BOOTSTRAPSERVERS=kafka-workshop-2:29093
      - KAFKA_CLUSTERS_1_ZOOKEEPER=localhost:23181
      - KAFKA_CLUSTERS_2_NAME=kafka-workshop-3
      - KAFKA_CLUSTERS_2_BOOTSTRAPSERVERS=kafka-workshop-3:29094
      - KAFKA_CLUSTERS_2_ZOOKEEPER=localhost:23181