Spring Batch Framework - CSV & Excel Ingestion with Hexagonal Architecture

Complete guide to Spring Batch explained in simple language. - Covers real-life use cases in Banking and Healthcare domains. - Learn how to build a multi-format ingestion pipeline (CSV + Excel). - Understand Hexagonal Architecture with Spring Batch integration. 🔹 What You Will Learn - ✅ What is Spring Batch and why it is used. - ✅ Real-life Banking use cases (transaction reconciliation, fraud detection). - ✅ Real-life Healthcare use cases (patient record ingestion, insurance claims). - ✅ Step-by-step explanation of ItemReader, ItemProcessor, ItemWriter. - ✅ How to configure Spring Batch jobs and steps. - ✅ Explanation of Spring Batch metadata tables with real-life examples. - ✅ Full line-by-line code walkthrough of a working project. - ✅ How to integrate CSV & Excel ingestion with MySQL database. - ✅ Best practices for fault tolerance, retries, and skips. - ✅ How to use Swagger UI for API documentation. 🔹 Architecture Covered - Hexagonal Architecture (Ports & Adapters). - High-Level Design (HLD): Job orchestration, step definition, fault tolerance. - Low-Level Design (LLD): Detailed class-by-class explanation. - Sequence Diagram: End-to-end code flow from upload → DB. 🔹 Who Should Watch - 🎓 Students learning Spring Batch for the first time. - 👨‍💻 Developers building enterprise-grade ingestion pipelines. - 🏦 Professionals in Banking/Finance working on bulk transaction jobs. - 🏥 Healthcare IT engineers handling patient/claim data ingestion. - 📊 Architects preparing for enterprise architecture boards. 🔹 Key Highlights - Real-life analogies for every concept. - Detailed explanation of Spring Batch tables (Job Instance, Job Execution, Step Execution, etc.). - Production-grade code aligned with enterprise standards. - Reusable framework-style pipeline ready for any domain. - Swagger UI integration for easy API testing Aman Kumar