fix: GCP_SERVICE_KEY 주입

Author: jungyuminn

user-service/src/main/java/club/gach_dong/config/GcpStorageConfig.java

@@ -22,6 +22,9 @@ public class GcpStorageConfig {
     @Value("${spring.cloud.gcp.storage.project-id}")
     private String projectId;
 
+    @Value("${GCP_SERVICE_KEY}")
+    private String credentialsJson;
+
     @Bean
     public Storage gcpStorage() throws IOException {
         GoogleCredentials credentials = GoogleCredentials.fromStream(