fix : ClassPathResource -> FileSystemResource

Author: yyytir777

src/main/java/ita/tinybite/global/config/FcmConfig.java

@@ -15,6 +15,7 @@
 
 import jakarta.annotation.PostConstruct;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.core.io.FileSystemResource;
 
 @Slf4j
 @Configuration
@@ -30,7 +31,7 @@ public void initialize() {
 			return;
 		}
 		try {
-			ClassPathResource resource = new ClassPathResource(fcmConfigPath);
+            FileSystemResource resource = new FileSystemResource(fcmConfigPath);
 			try (InputStream stream = resource.getInputStream()) {
 				FirebaseOptions options = FirebaseOptions.builder()
 					.setCredentials(GoogleCredentials.fromStream(stream))