docker-compose.yaml

version: '2'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:6.0.1
    hostname: zookeeper
    container_name: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  broker:
    image: confluentinc/cp-enterprise-kafka:6.0.1
    hostname: broker
    container_name: broker
    depends_on:
      - zookeeper
    ports:
      - "29092:29092"
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_JMX_PORT: 9101
      KAFKA_JMX_HOSTNAME: localhost

  schema-registry:
    image: confluentinc/cp-schema-registry:6.0.1
    hostname: schema-registry
    container_name: schema-registry
    depends_on:
      - zookeeper
      - broker
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: 'broker:29092'
      SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL: 'zookeeper:2181'

  ksqldb-server:
    image: confluentinc/ksqldb-server:0.17.0
    hostname: ksqldb-server
    container_name: ksqldb-server
    depends_on:
      - broker
      - schema-registry
    ports:
      - "8088:8088"
    volumes:
      - ./extensions:/etc/ksqldb/ext
    environment:
      KSQL_LISTENERS: "http://0.0.0.0:8088"
      KSQL_BOOTSTRAP_SERVERS: "broker:29092"
      KSQL_KSQL_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      KSQL_KSQL_LOGGING_PROCESSING_STREAM_AUTO_CREATE: "true"
      KSQL_KSQL_LOGGING_PROCESSING_TOPIC_AUTO_CREATE: "true"
      # Configuration for UDFs
      KSQL_CONFIG_DIR: "/etc/ksqldb"
      KSQL_KSQL_EXTENSION_DIR: "/etc/ksqldb/ext/"
      # KSQL_KSQL_EXTENSION_DIR: "/opt/ksqldb-udfs/"
      KSQL_LOG4J_OPTS: "-Dlog4j.configuration=file:/etc/ksqldb/log4j.properties"
      KSQL_KSQL_FUNCTIONS_FORMULA_BASE_VALUE: 5
      KSQL_KSQL_CONNECT_URL: "http://connect:8083"
      KSQL_LOG4J_PROCESSING_LOG_TOPIC: "KSQL_PROCESSING_LOG"
      KSQL_KSQL_LOGGING_PROCESSING_TOPIC_NAME: "KSQL_PROCESSING_LOG"

  ksqldb-cli:
    image: confluentinc/ksqldb-cli:0.17.0
    container_name: ksqldb-cli
    depends_on:
      - broker
      - ksqldb-server
    entrypoint: /bin/sh
    tty: true

  # ksql-datagen:
  #   image: confluentinc/ksql-examples:5.4.1
  #   hostname: ksql-datagen
  #   container_name: ksql-datagen
  #   depends_on:
  #     - ksqldb-server
  #     - broker
  #     - connect
  #   command: "bash -c 'echo Waiting for Kafka to be ready... && \
  #     cub kafka-ready -b broker:29092 1 40 && \
  #     echo Waiting a few seconds for topic creation to finish... && \
  #     sleep 11 && \
  #     tail -f /dev/null'"
  #   environment:
  #     KSQL_CONFIG_DIR: '/etc/ksql'
  #     KSQL_LOG4J_OPTS: '-Dlog4j.configuration=file:/etc/ksql/log4j-rolling.properties'
  #     STREAMS_BOOTSTRAP_SERVERS: broker:29092