Micrometer & Observability: Custom Metrics, Timers, Counters
Learn to implement custom metrics, timers, and counters with Micrometer in Spring Boot for Prometheus-based observability and production monitoring.
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Spring Boot NoSQL: MongoDB, Redis, and Cassandra
Learn how to integrate MongoDB, Redis, and Cassandra with Spring Data in your Spring Boot applications for scalable NoSQL solutions.
Spring Boot Profiles & Environments: @Profile, Environment-Specific Config
Manage environment-specific configuration in Spring Boot using profiles, @Profile annotation, and property file naming conventions.
Spring Boot Request & Response: @RequestBody, @ResponseBody, HttpEntity
Master Spring Boot request/response handling with @RequestBody, @ResponseBody, HttpEntity. Learn serialization, validation, common pitfalls, and security best practices.
@RestController & @RequestMapping in Spring Boot: HTTP Verbs, Path Variables
Master Spring Boot REST endpoint mapping: @RestController, @RequestMapping, @GetMapping, path variables, query params, and handler method signatures.
Spring Boot Scheduling & Async: @Scheduled, @Async, TaskExecutor
Learn Spring Boot task scheduling with @Scheduled, asynchronous processing with @Async, and custom TaskExecutor configuration.
Spring Boot Servlet Containers: Port, SSL/TLS, Graceful Shutdown
Master Spring Boot servlet container configuration: custom ports, SSL/TLS setup, and graceful shutdown for production-ready applications.
Spring Boot Slice Testing: Test Layers in Isolation
Isolate Spring Boot layers with slice testing: @WebMvcTest for web, @DataJpaTest for persistence, and @JsonTest for serialization testing.
SpringApplication: Customizing Startup, Banner, Event Listeners
Master SpringApplication lifecycle customization including startup sequence, custom banners, and application event listeners for boot-time control.
Spring Boot Test Stack: @SpringBootTest, @WebMvcTest, @DataJpaTest, @MockBean
Master Spring Boot testing annotations: compare @SpringBootTest vs @WebMvcTest vs @DataJpaTest, and learn @MockBean for effective unit testing.