Index: src/main/java/com/example/rezevirajmasa/demo/config/security/SecurityConstants.java
===================================================================
--- src/main/java/com/example/rezevirajmasa/demo/config/security/SecurityConstants.java	(revision b78c0c1d03cd383e76357dba8f6b673c0cb3f3cc)
+++ src/main/java/com/example/rezevirajmasa/demo/config/security/SecurityConstants.java	(revision b78c0c1d03cd383e76357dba8f6b673c0cb3f3cc)
@@ -0,0 +1,9 @@
+package com.example.rezevirajmasa.demo.config.security;
+
+public class SecurityConstants {
+    public static final String SECRET = "s3cr3tt0k3n";
+    public static final long EXPIRATION_TIME = 864_000_000; // 10 days
+    public static final String TOKEN_PREFIX = "Bearer ";
+    public static final String HEADER_STRING = "Authorization";
+
+}