docker-compose-single.yml

---
## Single Broker NO Public IP
version: '2'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:6.2.0
    hostname: zookeeper.local
    container_name: zookeeper
    restart: always
    ports:
      - "2181:2181"
    volumes:
      - ./zookeeper/zk-data:/var/lib/zookeeper/data
      - ./zookeeper/zk-txn-logs:/var/lib/zookeeper/log
    environment:
      ZOOKEEPER_SERVER_ID: 1
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  broker1:
    image: confluentinc/cp-kafka:6.2.0
    hostname: broker1.local
    container_name: broker1
    restart: always
    volumes:
      - ./broker1/kafka-data:/var/lib/kafka/data
      - ./secrets:/etc/kafka/secrets
    ports:
      - "29092:29092"
      - "9092:9092"
      - "9102:9102" # JMX Ready
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper.local:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_LISTENERS: 'PLAINTEXT://broker1.local:29092,PLAINTEXT_HOST://broker1.local:9092'
      KAFKA_ADVERTISED_LISTENERS: 'PLAINTEXT://broker1.local:29092,PLAINTEXT_HOST://localhost:9092'
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: 'false'
      KAFKA_LOG4J_LOGGERS: 'kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO'
      KAFKA_CONFLUENT_SCHEMA_REGISTRY_URL: 'http://schema-registry.local:8081'
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 100
      KAFKA_LOG_RETENTION_BYTES: 314572800
      KAFKA_LOG_RETENTION_MS: 86400000 # 1 day
      KAFKA_LOG_SEGMENT_BYTES: 31457280
    depends_on:
      - zookeeper

  schema-registry:
    image: confluentinc/cp-schema-registry:6.2.0
    hostname: schema-registry.local
    container_name: schema-registry
    restart: always
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry.local
      SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL: 'zookeeper.local:2181'
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: 'PLAINTEXT://broker1.local:29092'
      SCHEMA_REGISTRY_LISTENERS: 'http://0.0.0.0:8081'
    volumes:
      - /data/secrets:/etc/schema-registry/secrets
    depends_on:
      - zookeeper
      - broker1