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Boot Foundations

SpringBootApplication ConfigurationProperties Bean definition Profiles CommandLineRunner Application events Actuator endpoint Externalized configuration

Web MVC

RestController PathVariable RequestParam RequestBody ResponseEntity ExceptionHandler Validation annotations Multipart upload

Data Access

JPA entity JpaRepository Derived query method JPQL query Pagination Transaction Entity relationship Flyway migration

Production and Security

Spring Security filter chain PasswordEncoder JWT request filter CORS config Caching annotation Async method Scheduled task MockMvc test

Spring Boot / Production and Security

CORS config

Learn CORS config in Spring Boot through a focused explanation, a topic-specific example, an engineering warning, and a mastery check.

12 min read • Advanced

spring-boot-028.java

java

registry.addMapping("/api/**").allowedOrigins("https://app.example.test").allowedMethods("GET","POST");

What to watch

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

CORS config Mastery Check →

JWT request filter

Caching annotation