docker-compose.yml

services:
  kafka:
    image: bitnami/kafka:3.8.1
    container_name: kafka
    environment:
      # KRaft mode configurations
      KAFKA_CFG_NODE_ID: '1'
      KAFKA_CFG_PROCESS_ROLES: 'broker,controller'
      KAFKA_CFG_CONTROLLER_QUORUM_VOTERS: '1@kafka:9093'
      KAFKA_CFG_LISTENERS: 'PLAINTEXT://:9092,CONTROLLER://:9093'
      KAFKA_CFG_ADVERTISED_LISTENERS: 'PLAINTEXT://localhost:9092'
      KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: 'PLAINTEXT:PLAINTEXT,CONTROLLER:PLAINTEXT'
      KAFKA_CFG_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
      KAFKA_CFG_INTER_BROKER_LISTENER_NAME: 'PLAINTEXT'
      ALLOW_PLAINTEXT_LISTENER: 'yes'
      # Development optimizations
      KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR: '1'
      KAFKA_CFG_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: '1'
      KAFKA_CFG_TRANSACTION_STATE_LOG_MIN_ISR: '1'
      KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE: 'true'
    ports:
      - '9092:9092'
    volumes:
      - kafka_data:/bitnami/kafka
    healthcheck:
      test: [ "CMD", "bash", "-c", "echo > /dev/tcp/localhost/9092" ]
      interval: 10s
      timeout: 5s
      retries: 5

  mongodb:
    image: mongo:5.0
    container_name: mongodb
    restart: always
    ports:
      - '27017:27017'
    volumes:
      - ./mongodb-init.js:/docker-entrypoint-initdb.d/mongodb-init.js:ro
    healthcheck:
      test: [ "CMD", "mongo", "--eval", "db.adminCommand('ping')" ]
      interval: 10s
      timeout: 5s
      retries: 5

  flask_app:
    build:
      context: ./web
      dockerfile: Dockerfile
    container_name: flask_app
    depends_on:
      mongodb:
        condition: service_healthy
      kafka:
        condition: service_healthy
    environment:
      MONGO_URI: 'mongodb://mongodb:27017/'
    ports:
      - '5000:5000'

  webgoat:
    image: webgoat/webgoat:latest
    container_name: webgoat
    ports:
      - "8080:8080"
    environment:
      - WEBGOAT_HOST=webgoat
      - WEBGOAT_PORT=8080
    volumes:
      - webgoat_data:/home/webgoat/.webgoat
    networks:
      - webgoat_net
    restart: unless-stopped

volumes:
  kafka_data:
  webgoat_data:
networks:
  webgoat_net:
    driver: bridge