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Microservices: Kafka, Redis, Terraform
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Module 1
Spring Boot for Interview Deep Dives
1
Spring IoC: Containers & Dependency Injection
Explain Inversion of Control (IoC), the ApplicationContext container, and dependency injection types (constructor, setter, field) in Spring.
Spring Boot Auto-configuration and Starter Dependencies
Explain the Spring Boot auto-configuration mechanism and how starter dependencies work.
3
Spring Bean Lifecycle: Callbacks in Action
Describe the Spring bean lifecycle, including initialization and destruction callbacks.
4
Embedded Servers & Request Dispatching in Spring Boot
Explain how Spring Boot embeds a servlet container and handles the request dispatching process.
5
Spring Boot Profiles and Externalized Configuration
Describe Spring Boot profiles and externalized configuration methods (e.g., application.yml, environment variables).
6
Monitoring with Spring Boot Actuator
Explain the role of Spring Boot Actuator endpoints in health checks and production monitoring.
7
OAuth2 Authorization Code Flow Explained
Describe the steps of the OAuth2 Authorization Code grant flow from user consent to token issuance.
8
Validating JWTs with Spring Security's Filter Chain
Explain how Spring Security's filter chain validates JWTs on incoming requests.
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