docker-compose.yml

---
services:
  broker:
    image: confluentinc/cp-kafka:7.7.1
    hostname: broker
    container_name: broker
    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'
      KAFKA_LOG_RETENTION_CHECK_INTERVAL_MS: 30000
      # 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'
    healthcheck:
      test: [ "CMD", "/bin/kafka-topics", "--bootstrap-server=localhost:9092", "--list" ]
      interval: 2s
      timeout: 2s
      retries: 10

  schema-registry:
    image: confluentinc/cp-schema-registry:7.7.1
    hostname: schema-registry
    container_name: schema-registry
    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

  kafka-create-topics:
    container_name: kafka-create-topics
    image: confluentinc/cp-kafka:7.7.1
    depends_on:
      broker:
        condition: service_healthy
    entrypoint: ''
    command: /bin/bash -c "echo 'creating topics...'
      && /bin/kafka-topics --bootstrap-server=broker:29092 --create --partitions=6 --replication-factor=1 --topic=baggage_tracking
      && /bin/kafka-topics --bootstrap-server=broker:29092 --create --partitions=6 --replication-factor=1 --topic=flight --config cleanup.policy=compact
      && /bin/kafka-topics --bootstrap-server=broker:29092 --create --partitions=12 --replication-factor=1 --topic=user_flight_booking_v3
      && /bin/kafka-topics --bootstrap-server=broker:29092 --create --partitions=6 --replication-factor=1 --topic=airport_info_i18n_v5
      && /bin/kafka-topics --bootstrap-server=broker:29092 --create --partitions=12 --replication-factor=1 --topic=flight_status_update_v1
      "