---
version: '2'
services:
  kafcat-zookeeper:
    image: confluentinc/cp-zookeeper:6.1.0
    hostname: kafcat-zookeeper
    container_name: kafcat-zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafcat-broker:
    image: confluentinc/cp-kafka:6.1.0
    hostname: kafcat-broker
    container_name: kafcat-broker
    depends_on:
      - kafcat-zookeeper
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'kafcat-zookeeper:2181'
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafcat-broker:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0