diff --git a/backend/services/config_service.py b/backend/services/config_service.py
index 7775dd1..7d9144d 100644
--- a/backend/services/config_service.py
+++ b/backend/services/config_service.py
@@ -23,9 +23,10 @@ class AppConfig:
 
 @dataclass
 class PhotoboothConfig:
-    base_url: str = "http://localhost:8083"
+    base_url: str = "http://localhost:8000"
+    public_url: str = ""   # URL publique pour les medias (ex: https://photobooth.lessapinsduweb.com)
     data_dir: str = "/home/pi/photobooth-data"
-    config_file: str = "/home/pi/.config/photobooth-app/config.json"
+    config_file: str = "/home/pi/photobooth-data/config/config.json"
     media_dir: str = "/home/pi/photobooth-data/media/processed_full"
     userdata_dir: str = "/home/pi/photobooth-data/userdata"
     show_delete_button: bool = False
diff --git a/backend/services/photobooth_service.py b/backend/services/photobooth_service.py
index 5d8f2d6..c207161 100644
--- a/backend/services/photobooth_service.py
+++ b/backend/services/photobooth_service.py
@@ -71,10 +71,12 @@ class PhotoboothService:
             return False
 
     def media_url(self, identifier: str) -> str:
-        return f"{self._base}/media/full/{identifier}"
+        base = (self._cfg.public_url.rstrip("/") or self._base)
+        return f"{base}/media/full/{identifier}"
 
     def thumbnail_url(self, identifier: str) -> str:
-        return f"{self._base}/media/thumbnail/{identifier}"
+        base = (self._cfg.public_url.rstrip("/") or self._base)
+        return f"{base}/media/thumbnail/{identifier}"
 
     async def read_pb_config(self) -> dict:
         """Lit le fichier config.json de photobooth-app."""
diff --git a/config/settings.yaml b/config/settings.yaml
index 899f56e..59b00e3 100644
--- a/config/settings.yaml
+++ b/config/settings.yaml
@@ -14,6 +14,7 @@ app:
 # --- Integration photobooth-app ---
 photobooth:
   base_url: "http://localhost:8000"
+  public_url: "https://photobooth.lessapinsduweb.com"  # URL publique pour les medias dans la galerie
   data_dir: "/home/pi/photobooth-data"
   config_file: "/home/pi/photobooth-data/config/config.json"
   media_dir: "/home/pi/photobooth-data/media/processed_full"