CacheEvictControllerMethod.java

@CacheEvict(value = "post-single", key = "#id")
@DeleteMapping("/delete/{id}")
public void deletePostByID(@PathVariable String id) throws PostNotFoundException {
    log.info("delete post with id {}", id);
    postService.deletePost(id);
}

@CacheEvict(value = "post-top")
@GetMapping("/top/evict")
public void evictTopPosts() {
    log.info("Evict post-top");
}