FEAT: Challenge 1 – Payment Settlement Pipeline

.gitignore

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+# Dependencias
+node_modules/
+dist/
+
+# Logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Entorno
+.env
+
+# Archivos de sistema/Editor
+.DS_Store
+.vscode/

docker-compose.yml

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+version: '3.8'
+
+services:
+  # Base de Datos para el Transactional Outbox y Pagos
+  postgres:
+    image: postgres:15-alpine
+    container_name: yape-postgres
+    environment:
+      POSTGRES_DB: yape_db
+      POSTGRES_USER: user
+      POSTGRES_PASSWORD: password
+    ports:
+      - "5432:5432"
+
+  # Orquestación de Mensajería (Kafka Stack)
+  zookeeper:
+    image: confluentinc/cp-zookeeper:latest
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+
+  kafka:
+    image: confluentinc/cp-kafka:latest
+    depends_on:
+      - zookeeper
+    ports:
+      - "9092:9092"
+    environment:
+      KAFKA_BROKER_ID: 1
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1