🌱 Spring Boot: Fast-Track Backend Development with Spring Boot

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🧾 Course Description

Spring Boot is the go-to framework for building robust, scalable, and production-grade backend applications in Java. In “Spring Into Microservices”, you’ll master the Spring Boot ecosystem — including dependency injection, REST APIs, data access, security, and deployment.

This course is designed for developers with Java fundamentals who want to rapidly create and deploy enterprise-grade web applications. You’ll build real APIs, connect to databases, and learn to structure your code for long-term maintainability. Whether you’re aiming for backend roles, microservices architecture, or full-stack with Java, this course is your launchpad.

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✅ Key Benefits

• 🚀 Build Real-World Backend Apps — Quickly create REST APIs and connect to databases
• 🔗 Spring Ecosystem Mastery — Understand how Spring Boot, Spring Data, and Spring Security work together
• 🧩 Microservices Ready — Learn modular, loosely coupled design practices
• 💼 In-Demand Skillset — Spring Boot is widely used in enterprise, banking, and SaaS systems
• 🛠️ Project-Based Learning — Build a production-style app with features like auth, error handling, and environment configs

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🎯 Pre-requisites

• Solid knowledge of Java programming
• Comfortable with Object-Oriented Programming (OOP)
• Familiarity with basic REST API concepts, HTTP methods
• Optional: understanding of relational databases and SQL

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📚 Curriculum Breakdown

📘 Module 1: Introduction & Setup

• What is Spring Boot and why use it?
• Installing JDK, Spring CLI, IntelliJ/VS Code
• Project scaffolding using Spring Initializr

🌱 Module 2: Spring Boot Fundamentals

• Understanding annotations: @SpringBootApplication, @Component, @Autowired
• Dependency Injection & IoC container
• Application properties and configuration

🌐 Module 3: Building REST APIs

• Creating controllers with @RestController
• CRUD operations with @GetMapping, @PostMapping, etc.
• Request/response objects and path variables

🗃️ Module 4: Spring Data JPA & Database Access

• Connecting to MySQL or H2
• Defining entities with @Entity
• Repository interfaces with JpaRepository
• Basic query methods and relationships

🧾 Module 5: Input Validation & Exception Handling

• Validating inputs with @Valid, @NotNull, etc.
• Custom error messages
• Global exception handling with @ControllerAdvice

🔐 Module 6: Spring Security (Intro)

• Authentication vs Authorization
• Adding basic login & password protection
• Securing endpoints

🔌 Module 7: Project – Employee Management System

• Full CRUD with DB
• Form validation
• Custom error responses
• Role-based access control (optional)
• Deploy to Heroku / Render / Railway

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🕒 Estimated Duration (with hands-on)

Daily Study Time	Duration	Learning Mode
2 hours/day	20–24 days (~1 month)	Light pace, ideal for working professionals
4 hours/day	10–12 days (~2 weeks)	Balanced pace for serious learners
6 hours/day	6–8 days (intensive)	Fast-track bootcamp style learning

🧪 Optional Deep Dive: Add 2–3 more days for JWT auth, API versioning, Docker packaging

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🎓 Outcome

By the end of Spring Into Microservices, you’ll:

• Build secure, production-ready REST APIs using Spring Boot
• Work with databases using JPA and repositories
• Understand layered backend app structure (Controller–Service–Repository)
• Be ready for Java-based backend jobs, microservices, or Spring Cloud