docker-compose.yml

---
version: '3'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:5.5.3
    container_name: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    # volumes: 
    #   - ./data/container_data/zk-data:/var/lib/zookeeper/data
    #   - ./data/container_data/zk-txn-logs:/var/lib/zookeeper/log

  kafka-1:
    image: confluentinc/cp-kafka:5.5.3
    container_name: kafka-1
    depends_on:
      - zookeeper
    ports:
      - 9092:9092
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:39092,HOST://0.0.0.0:9092
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-1:39092,HOST://localhost:9092
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 100
    # volumes: 
    #   - ./data/container_data/kafka-1-data:/var/lib/kafka/data

  kafka-2:
    image: confluentinc/cp-kafka:5.5.3
    container_name: kafka-2
    depends_on:
      - zookeeper
    ports:
      - 19092:19092
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:49092,HOST://0.0.0.0:19092
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-2:49092,HOST://localhost:19092
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 100
    # volumes: 
    #   - ./data/container_data/kafka-2-data:/var/lib/kafka/data

  kafka-3:
    image: confluentinc/cp-kafka:5.5.3
    container_name: kafka-3
    depends_on:
      - zookeeper
    ports:
      - 29092:29092
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:59092,HOST://0.0.0.0:29092
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-3:59092,HOST://localhost:29092
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 100
    # volumes: 
    #   - ./data/container_data/kafka-3-data:/var/lib/kafka/data

  schema-registry:
    image: confluentinc/cp-schema-registry:5.5.3
    ports:
      - 8081:8081
    container_name: schema-registry
    depends_on:
      - zookeeper
      - kafka-1
      - kafka-2
      - kafka-3
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: PLAINTEXT://kafka-1:39092,PLAINTEXT://kafka-2:49092,PLAINTEXT://kafka-3:59092
      SCHEMA_REGISTRY_CUB_KAFKA_TIMEOUT: 300

  ksqldb-server:
    image: confluentinc/ksqldb-server:0.14.0
    hostname: ksqldb-server
    container_name: ksqldb-server
    depends_on:
      - kafka-1
      - kafka-connect-01
    ports:
      - "8088:8088"
    environment:
      KSQL_LISTENERS: http://0.0.0.0:8088
      KSQL_BOOTSTRAP_SERVERS: kafka-1:39092,kafka-2:49092,kafka-3:59092
      KSQL_KSQL_LOGGING_PROCESSING_STREAM_AUTO_CREATE: "true"
      KSQL_KSQL_LOGGING_PROCESSING_TOPIC_AUTO_CREATE: "true"
      KSQL_KSQL_CONNECT_URL: http://kafka-connect-01:8083
      KSQL_KSQL_SCHEMA_REGISTRY_URL: http://schema-registry:8081

  ksqldb-cli:
    image: confluentinc/cp-ksql-cli:5.4.3
    container_name: ksqldb-cli
    depends_on:
      - ksqldb-server
    entrypoint: /bin/sh
    tty: true
    # volumes:
    #   - ./data:/data

  kafka-connect-01:
    image: confluentinc/cp-kafka-connect:5.5.3
    container_name: kafka-connect-01
    depends_on:
      - kafka-1
      - kafka-2
      - kafka-3
      - schema-registry
    ports:
      - 8083:8083
    environment:
      CONNECT_LOG4J_APPENDER_STDOUT_LAYOUT_CONVERSIONPATTERN: "[%d] %p %X{connector.context}%m (%c:%L)%n"
      CONNECT_CUB_KAFKA_TIMEOUT: 300
      CONNECT_BOOTSTRAP_SERVERS: "kafka-1:39092,kafka-2:49092,kafka-3:59092"
      CONNECT_REST_ADVERTISED_HOST_NAME: 'kafka-connect-01'
      CONNECT_REST_PORT: 8083
      CONNECT_GROUP_ID: kafka-connect-group-01
      CONNECT_CONFIG_STORAGE_TOPIC: _kafka-connect-group-01-configs
      CONNECT_OFFSET_STORAGE_TOPIC: _kafka-connect-group-01-offsets
      CONNECT_STATUS_STORAGE_TOPIC: _kafka-connect-group-01-status
      CONNECT_KEY_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      CONNECT_VALUE_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      CONNECT_INTERNAL_KEY_CONVERTER: 'org.apache.kafka.connect.json.JsonConverter'
      CONNECT_INTERNAL_VALUE_CONVERTER: 'org.apache.kafka.connect.json.JsonConverter'
      CONNECT_LOG4J_ROOT_LOGLEVEL: 'INFO'
      CONNECT_LOG4J_LOGGERS: 'org.apache.kafka.connect.runtime.rest=WARN,org.reflections=ERROR'
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: '1'
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: '1'
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: '1'
      CONNECT_PLUGIN_PATH: '/usr/share/java,/usr/share/confluent-hub-components/,/data/connect-jars'
      # External secrets config
      # See https://docs.confluent.io/current/connect/security.html#externalizing-secrets
      CONNECT_CONFIG_PROVIDERS: 'file'
      CONNECT_CONFIG_PROVIDERS_FILE_CLASS: 'org.apache.kafka.common.config.provider.FileConfigProvider'
    # volumes:
    #   - ${PWD}/.env:/data/credentials.properties
    command: 
      # In the command section, $ are replaced with $$ to avoid the error 'Invalid interpolation format for "command" option'
      - bash 
      - -c 
      - |
        echo "Installing connector plugins"
        confluent-hub install --no-prompt confluentinc/kafka-connect-influxdb:1.1.2
        #
        echo "Launching Kafka Connect worker"
        /etc/confluent/docker/run & 
        #
        echo "Waiting for Kafka Connect to start listening on $$CONNECT_REST_ADVERTISED_HOST_NAME:$$CONNECT_REST_PORT ⏳"
        while : ; do
          curl_status=$$(curl -s -o /dev/null -w %{http_code} http://$$CONNECT_REST_ADVERTISED_HOST_NAME:$$CONNECT_REST_PORT/connectors)
          echo -e $$(date) " Kafka Connect listener HTTP state: " $$curl_status " (waiting for 200)"
          if [ $$curl_status -eq 200 ] ; then
            break
          fi
          sleep 5 
        done
        #
        echo "Waiting for Schema Registry to start listening on schema-registry:8081 ⏳"
        while [ $$(curl -s -o /dev/null -w %{http_code} http://schema-registry:8081) -eq 000 ] ; do 
          echo -e $$(date) " Schema Registry listener HTTP state: " $$(curl -s -o /dev/null -w %{http_code} http://schema-registry:8081) " (waiting for != 000)"
          sleep 5 
        done
        #      
        sleep infinity

  influxdb:
    image: influxdb:1.7.9
    container_name: influxdb
    ports:
      - 8086:8086

  chronograf:
    image: chronograf:1.7
    container_name: chronograf
    ports: 
      - 8888:8888

  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    ports:
      - "3000:3000"

  kafkacat:
    image: edenhill/kafkacat:1.5.0
    container_name: kafkacat
    entrypoint: 
      - /bin/sh 
      - -c 
      - |
        apk add jq; 
        while [ 1 -eq 1 ];do sleep 60;done