Spring Boot Roadmap Overview

Introduction to Spring Boot

• Purpose: Understand what Spring Boot is and its advantages over the Spring Framework.
• **Key Features: **
  • Easy configuration
  • Starter dependencies
  • Built-in server
  • Production-ready features

Setting Up a Spring Boot Project

• Initial Setup: Learn to create and run your first Spring Boot project.
• IDE Recommendation: IntelliJ IDE.
• Application Structure: Understand layered architecture (Controller, Service, Repository layers).

Build Tools: Maven and Gradle

• Purpose: Manage application dependencies.
• Maven: Use pom.xml for dependencies.

Spring Boot Annotations

• Key Annotations:
  • @SpringBootApplication
  • @Controller, @RestController
  • @RequestMapping, @RequestParam, @RequestBody
  • @Component, @Service, @Repository
• Usage: Configure applications using annotations.

Dependency Injection

• Concept: Essential Spring feature; involves field, setter, and constructor injection.
• Importance: Common topic in interviews.

Configuring Spring Boot Applications

• Configuration Files:
  • application.properties
  • application.yaml for hierarchical setup
• Profile-specific Settings: Customize configurations per environment.

Spring Beans and Lifecycle

• Understanding Beans: Java objects used in Spring Boot.
• Lifecycle: Creation to destruction process.
• Bean Scope:
  • Singleton (default)
  • Prototype
  • Request
  • Session

Data Access with Spring Boot

• Spring Data JPA: ORM framework for database interaction.
• Alternative: JDBC

Creating RESTful APIs with Spring Boot

• Initial Application: Basic CRUD services.
• Future Focus: More comprehensive RESTful API tutorials.

Spring Boot Security

• Security Features: Built-in dependency for securing applications.
• Handling: Users, roles, authentication, and authorization.

Additional Features

• Logging and Exception Handling: Framework support for log management.
• Caching: Use annotations for cache management.
• Interceptors: Modify requests/responses.
• Scheduling: Manage application scheduling.
• Unit Testing: Use JUnit and Mockito.

Spring Boot Actuators

• Purpose: Production-ready features for health checks, metrics, etc.

Deployment

• Built-in Tomcat: Default server for deployments.
• Advanced Options: Docker, CI/CD with Jenkins, Cloud deployment (AWS, Azure, Google Cloud).

Microservices with Spring Boot

• Architecture Introduction: Understanding microservices setup.
• Key Components:
  • Eureka server
  • Sleuth and Zipkin for tracing
  • API Gateway
  • Spring Cloud Config for configuration sharing

Conclusion

• Project Building: After covering these topics, ready to build projects.
• Future Content: More topics and updates on the channel.