docker-compose.yml

---
networks:
  default:
    name: ${DOCKER_NETWORK}
    external: false

services:
  broker:
    image: confluentinc/cp-kafka:latest
    restart: always
    ports:
      - "9092:9092"
      - "9101:9101"
    environment:
      KAFKA_NODE_ID: 1
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: 'CONTROLLER:PLAINTEXT,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
      KAFKA_PROCESS_ROLES: 'broker,controller'
      KAFKA_CONTROLLER_QUORUM_VOTERS: '1@broker:29093'
      KAFKA_LISTENERS: 'PLAINTEXT://broker:29092,CONTROLLER://broker:29093,PLAINTEXT_HOST://0.0.0.0:9092'
      KAFKA_INTER_BROKER_LISTENER_NAME: 'PLAINTEXT'
      KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
      KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
      # Replace CLUSTER_ID with a unique base64 UUID using "bin/kafka-storage.sh random-uuid" 
      # See https://docs.confluent.io/kafka/operations-tools/kafka-tools.html#kafka-storage-sh
      CLUSTER_ID: 'MkU3OEVBNTcwNTJENDM2Qk'

  schema-registry:
    image: confluentinc/cp-schema-registry:latest
    restart: always
    depends_on:
      - broker
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: "broker:29092"
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081

  connect:
    build:
      context: .
      dockerfile: kafka-connect/Dockerfile
    image: ${DOCKER_REPOSITORY}/kafka-connect
    restart: always
    depends_on:
      - broker
      - schema-registry
    ports:
      - "8083:8083"
    environment:
      CONNECT_BOOTSTRAP_SERVERS: broker:29092
      CONNECT_REST_ADVERTISED_HOST_NAME: connect
      CONNECT_GROUP_ID: compose-connect-group
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: 1
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: 1
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: 1
      CONNECT_CONFIG_STORAGE_TOPIC: _connect_configs
      CONNECT_OFFSET_STORAGE_TOPIC: _connect_offset
      CONNECT_STATUS_STORAGE_TOPIC: _connect_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_PLUGIN_PATH: "/usr/share/java,/usr/share/confluent-hub-components/,/usr/local/share/kafka/plugins,/usr/share/filestream-connectors"

  kafka-ui:
    image: provectuslabs/kafka-ui:latest
    restart: always
    ports:
      - "8080:8080"
    depends_on:
      - broker
      - schema-registry
      - connect
      - ksqldb-server
    environment:
      KAFKA_CLUSTERS_0_NAME: local
      KAFKA_CLUSTERS_0_DEFAULTKEYSERDE: "SchemaRegistry"
      KAFKA_CLUSTERS_0_DEFAULTVALUESERDE: "SchemaRegistry"
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: "broker:29092"
      KAFKA_CLUSTERS_0_SCHEMAREGISTRY: "http://schema-registry:8081"
      KAFKA_CLUSTERS_0_KAFKACONNECT_0_NAME: first
      KAFKA_CLUSTERS_0_KAFKACONNECT_0_ADDRESS: "http://connect:8083"
      KAFKA_CLUSTERS_0_KSQLDBSERVER: "http://ksqldb-server:8088"
      DYNAMIC_CONFIG_ENABLED: 'true'

  ksqldb-server:
    image: confluentinc/cp-ksqldb-server:latest
    restart: always
    depends_on:
      - broker
      - connect
      - schema-registry
    ports:
      - "8088:8088"
    environment:
      KSQL_CONFIG_DIR: "/etc/ksql"
      KSQL_BOOTSTRAP_SERVERS: "broker:29092"
      KSQL_HOST_NAME: ksqldb-server
      KSQL_LISTENERS: "http://0.0.0.0:8088"
      KSQL_CACHE_MAX_BYTES_BUFFERING: 0
      KSQL_KSQL_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      KSQL_PRODUCER_INTERCEPTOR_CLASSES: "io.confluent.monitoring.clients.interceptor.MonitoringProducerInterceptor"
      KSQL_CONSUMER_INTERCEPTOR_CLASSES: "io.confluent.monitoring.clients.interceptor.MonitoringConsumerInterceptor"
      KSQL_KSQL_CONNECT_URL: "http://connect:8083"
      KSQL_KSQL_LOGGING_PROCESSING_TOPIC_REPLICATION_FACTOR: 1
      KSQL_KSQL_LOGGING_PROCESSING_TOPIC_AUTO_CREATE: "true"
      KSQL_KSQL_LOGGING_PROCESSING_STREAM_AUTO_CREATE: "true"

  rest-proxy:
    image: confluentinc/cp-kafka-rest:latest
    restart: always
    depends_on:
      - broker
      - schema-registry
    ports:
      - "8082:8082"
    environment:
      KAFKA_REST_HOST_NAME: rest-proxy
      KAFKA_REST_BOOTSTRAP_SERVERS: "broker:29092"
      KAFKA_REST_LISTENERS: "http://0.0.0.0:8082"
      KAFKA_REST_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"

  kafka-connect-restarter:
    build:
      context: .
      dockerfile: ./kafka-connect-restarter/Dockerfile
      args:
        image: ellerbrock/alpine-bash-curl-ssl
    image: ${DOCKER_REPOSITORY}/kafka-connect-restarter
    restart: always
    environment:
      KAFKA_CONNECT_URL: "http://connect:8083"
      RESTARTER_INTERVAL_SECONDS: 10
    command: [ 'bash', '-c', '/start' ]

  kafka-tools:
    build:
      context: .
      dockerfile: ./kafka-utility/kafka-tools/Dockerfile
      args:
        kafka_version: ${KAFKA_VERSION}
        scala_version: ${SCALA_VERSION}
    image: ${DOCKER_REPOSITORY}/kafka-tools