diff --git a/src/main/java/com/example/fercoganbackend/controller/UserController.java b/src/main/java/com/example/fercoganbackend/controller/UserController.java
index 9bd9151..c1fb159 100644
--- a/src/main/java/com/example/fercoganbackend/controller/UserController.java
+++ b/src/main/java/com/example/fercoganbackend/controller/UserController.java
@@ -78,6 +78,12 @@ public class UserController {
         return ResponseEntity.ok("Usuario eliminado correctamente");
     }
 
+    @GetMapping("/id/{username}")
+    public ResponseEntity<Long> getIdPorUsername(@PathVariable String username) {
+        Long id = service.findId(username);
+        return ResponseEntity.ok(id);
+    }
+
 
     // ✅ DTO interno para registro
     public static class UsuarioRequest {
diff --git a/src/main/java/com/example/fercoganbackend/service/UsuarioService.java b/src/main/java/com/example/fercoganbackend/service/UsuarioService.java
index 2b685ad..5c309c6 100644
--- a/src/main/java/com/example/fercoganbackend/service/UsuarioService.java
+++ b/src/main/java/com/example/fercoganbackend/service/UsuarioService.java
@@ -74,5 +74,14 @@ public class UsuarioService {
         repo.deleteById(id);
     }
 
+    //encontrar el usuario por gmail
+    public Long findId(String username){
+        Usuario usuario = repo.findByUsername(username)
+                .orElseThrow(() -> new RuntimeException("Usuario no encontrado: " + username));
+
+        return usuario.getId();
+    }
+
+
 
 }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 03fcd84..1b1d6d5 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1,5 +1,5 @@
 spring.application.name=fercoganbackend
-spring.profiles.active=prod
+spring.profiles.active=dev
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
 
 spring.jpa.hibernate.ddl-auto=update