docker-compose.yaml

---
version: "3"
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.0.1
    container_name: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  broker:
    image: confluentinc/cp-kafka:7.0.1
    container_name: broker
    ports:
      - "9092:9092"
    depends_on:
      - zookeeper
    restart: always
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:9092,PLAINTEXT_INTERNAL://broker:29092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
    healthcheck:
      test: ["CMD", "kafka-topics", "--bootstrap-server", "broker:9092", "--list"]
      interval: 10s
      timeout: 10s
      retries: 10

  backend:
    build: ./backend
    container_name: backend
    restart: on-failure
    depends_on:
      broker:
        condition: service_healthy

  spark:
    build: ./spark
    container_name: spark
    restart: on-failure
    depends_on:
      broker:
        condition: service_healthy

  b4f:
    build: ./b4f
    container_name: b4f
    restart: on-failure
    depends_on:
      broker:
        condition: service_healthy
    ports:
      - "5000:5000"