📘 Spring Boot Mastery - Architect Level Notes

A curated collection of Spring Boot concepts, practices, and patterns — explained for serious backend engineers.
Designed to build deep understanding, not just shallow hands-on.

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🔍 Overview

This repository is not about tutorials or basic how-to’s. It’s a systematic knowledge base for Spring Boot—covering architecture, patterns, performance tuning, and production readiness.

It serves as a single-point reference to strengthen your Spring Boot grip across layers and use cases—from beginner to architect level.

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🧠 What You'll Learn

✅ Deep Dive into Spring Boot Internals
✅ Dependency Injection & Component Scanning
✅ REST API Design & Exception Handling
✅ Persistence with JPA / JDBC + HikariCP
✅ Spring Security with JWT & OAuth2
✅ Profiles & Configuration Management
✅ Unit + Integration Testing Patterns
✅ Spring Boot in Production (Monitoring, Logs, Health)
✅ Real-world Patterns, Anti-patterns & Recommendations

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📂 Repository Structure

Spring-Boot/
├── 01-introduction-to-spring-boot.md
├── 02-annotations-and-autoconfiguration.md
├── 03-rest-api-design-best-practices.md
├── 04-data-access-with-jpa-and-jdbc.md
├── 05-spring-security-and-jwt.md
├── 06-configuration-profiles-properties.md
├── 07-testing-strategy.md
├── 08-production-considerations.md
├── 09-spring-boot-architecture-patterns.md
└── 10-interview-preparation-guide.md

Each file is structured as a mini knowledge unit with:

• 🔧 Core Concepts
• 🧱 Architectural Notes
• ⚠️ Common Pitfalls
• ✅ Best Practices
• 💬 Expert Commentary

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🚀 How to Use This Repository

git clone https://github.com/RajSDE/Spring-Boot.git
cd Spring-Boot

Then:

• Open any .md file in your Markdown viewer or IDE
• Use the folder-based topic structure to explore systematically
• Bookmark files for interview prep, onboarding, or mentorship

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🎯 Target Audience

This repo is designed for:

• 🔹 Backend Engineers working with Java
• 🔹 Software Architects & Technical Leads
• 🔹 Engineers preparing for backend design/system interviews
• 🔹 Developers moving from monolith to microservices

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📚 Additional Resources

Topic	Link
Spring Boot Docs	docs.spring.io
Spring Guides	spring.io/guides
Real-world Architectures	awesome-spring-boot

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🤝 Contributing

Feel like sharing knowledge or refining existing material?

1. Fork this repo
2. Add or edit .md files (maintain tone and structure)
3. Open a pull request with a clear title and description

🧭 Every meaningful contribution sharpens the collective knowledge of the community.

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📄 License

This repository is licensed under the MIT License.

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“The only way to become an architect is to think like one — this repo helps you do exactly that.”