docker-compose.yml

---
version: '2'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.3.1
    hostname: zookeeper
    container_name: zookeeper
    ports:
      - '3500:2181'
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  broker:
    image: confluentinc/cp-kafka:7.3.1
    hostname: broker
    container_name: broker
    depends_on:
      - zookeeper
    ports:
      - '29092:29092' # inside container
      - '9092:9092' # for localhost
      - '3501:3501' # for external services
      - '9101:9101' # for Kafka-UI
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENERS: LISTENER_BOB://${BROKER},LISTENER_FRED://broker:9092,LISTENER_ALICE://broker:3501
      KAFKA_ADVERTISED_LISTENERS: LISTENER_BOB://${BROKER},LISTENER_FRED://localhost:9092,LISTENER_ALICE://${HOST}:3501
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_BOB:PLAINTEXT,LISTENER_FRED:PLAINTEXT,LISTENER_ALICE:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_BOB
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_DEFAULT_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_REPLICA_FETCH_MAX_BYTES: 10485760
      KAFKA_MESSAGE_MAX_BYTES: 10485760
      KAFKA_JMX_PORT: 9101
      KAFKA_JMX_HOSTNAME: broker
      KAFKA_JMX_OPTS: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=broker -Dcom.sun.management.jmxremote.rmi.port=9101
      KAFKA_CONFLUENT_SCHEMA_REGISTRY_URL: ${SCHEMA}

  schema-registry:
    image: confluentinc/cp-schema-registry:7.3.1
    hostname: schema-registry
    container_name: schema-registry
    depends_on:
      - broker
    ports:
      - '3502:8081'
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: '${BROKER}'
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081

  # For inspecting KAFKA

  kafka-ui:
    container_name: kafka-ui
    image: provectuslabs/kafka-ui:latest
    ports:
      - 3600:8080
    depends_on:
      - zookeeper
      - broker
      - schema-registry
    environment:
      KAFKA_CLUSTERS_0_NAME: local
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: ${BROKER}
      KAFKA_CLUSTERS_0_ZOOKEEPER: zookeeper:2181
      KAFKA_CLUSTERS_0_JMXPORT: 9101
      KAFKA_CLUSTERS_0_SCHEMAREGISTRY: ${SCHEMA}
      # KAFKA_CLUSTERS_0_KAFKACONNECT_0_NAME: first
      # KAFKA_CLUSTERS_0_KAFKACONNECT_0_ADDRESS: http://kafka-connect0:8083

  silent-producer:
    image: silent-producer
    depends_on:
      - broker
      - schema-registry
    environment:
      KAFKA_HOST: broker:9092
      SCHEMA_REGISTRY: ${SCHEMA}
      DEFAULT_PARTITIONS: 1
      PARTITION_SPECIFICATION: system_heartbeat:1:360000