docker-compose.yml

version: "3.9"
services:
  kafka:
    image: confluentinc/cp-kafka:7.7.1
    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://kafka:29092,PLAINTEXT_HOST://localhost:9092'
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_DEFAULT_REPLICATION_FACTOR: 1
      KAFKA_MIN_INSYNC_REPLICAS: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_PROCESS_ROLES: 'broker,controller'
      KAFKA_CONTROLLER_QUORUM_VOTERS: '1@kafka:29093'
      KAFKA_LISTENERS: 'PLAINTEXT://kafka:29092,CONTROLLER://kafka: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'
      CLUSTER_ID: 'MkU3OEVBNTcwNTJENDM2Qk'

  schemaregistry:
    image: confluentinc/cp-schema-registry:7.7.1
    restart: always
    depends_on:
      - kafka
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: "kafka:29092"
      SCHEMA_REGISTRY_KAFKASTORE_TOPIC_REPLICATION_FACTOR: 1
      SCHEMA_REGISTRY_HOST_NAME: schemaregistry
      SCHEMA_REGISTRY_LISTENERS: "http://0.0.0.0:8081"
    ports:
      - 8081:8081