docker-compose.yml

version: "3.7"
services:
  postgres:
    image: postgres:17
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: transactions_db
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres -d transactions_db"]
      interval: 5s
      timeout: 5s
      retries: 10
    volumes:
      - ./db:/docker-entrypoint-initdb.d

  zookeeper:
    image: confluentinc/cp-zookeeper:5.5.3
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181

  kafka:
    image: confluentinc/cp-enterprise-kafka:5.5.3
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"
    environment:
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_BROKER_ID: 1
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_JMX_PORT: 9991

  #Se agrego redis como una solución opcional cuando se tiene escenarios de alto volumen: escritura y lectura, segun descrito en el reto
  redis:
    image: redis:7-alpine
    ports:
      - "6379:6379"
    command: redis-server --maxmemory 256mb --maxmemory-policy allkeys-lru
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 5s
      retries: 10

  transaction-service:
    build: ./transaction-service
    ports:
      - "8080:8080"
    depends_on:
      postgres:
        condition: service_healthy
      kafka:
        condition: service_started
      redis:
        condition: service_healthy
    environment:
      DB_HOST: postgres
      DB_PORT: 5432
      DB_USER: postgres
      DB_PASS: postgres
      DB_NAME: transactions_db
      KAFKA_BROKERS: kafka:29092
      REDIS_HOST: redis
      REDIS_PORT: 6379
    restart: on-failure

  antifraud-service:
    build: ./antifraud-service
    depends_on:
      kafka:
        condition: service_started
    environment:
      KAFKA_BROKERS: kafka:29092
    restart: on-failure