diff --git a/travel-proxy/app/indexer.py b/travel-proxy/app/indexer.py
index bba22a2..23b23a7 100644
--- a/travel-proxy/app/indexer.py
+++ b/travel-proxy/app/indexer.py
@@ -179,8 +179,11 @@ def sync(
     added = 0
     updated = 0
     removed = 0
+    sorted_albums = sorted(all_albums)
+    total_albums = len(sorted_albums)
 
-    for album in sorted(all_albums):
+    logger.info("Syncing %d albums...", total_albums)
+    for i, album in enumerate(sorted_albums, 1):
         folder = travel_root / album
         items = _scan_folder(folder)
         existing_filenames = {item["filename"] for item in items}
@@ -190,17 +193,30 @@ def sync(
         updated += result["updated"]
         removed += result["removed"]
 
+        if result["added"] or result["removed"]:
+            logger.info(
+                "[%d/%d] %s: +%d/-%d (%d files)",
+                i, total_albums, album, result["added"], result["removed"], len(items),
+            )
+
+    logger.info("DB sync done: added=%d updated=%d removed=%d", added, updated, removed)
+
     # 3. 썸네일 미생성 분 일괄 생성
     no_thumb = db.get_photos_without_thumb()
     thumbs_generated = 0
     thumb_done_batch = []
 
-    for photo in no_thumb:
+    if no_thumb:
+        logger.info("Generating %d thumbnails...", len(no_thumb))
+
+    for idx, photo in enumerate(no_thumb, 1):
         src = travel_root / photo["album"] / photo["filename"]
         dest = thumb_root / photo["album"] / photo["filename"]
         if _generate_thumb(src, dest):
             thumb_done_batch.append(photo)
             thumbs_generated += 1
+        if idx % 100 == 0:
+            logger.info("Thumbnails: %d/%d done", idx, len(no_thumb))
 
     db.batch_mark_thumbs_done(thumb_done_batch)
 
diff --git a/travel-proxy/app/main.py b/travel-proxy/app/main.py
index df26347..75a634f 100644
--- a/travel-proxy/app/main.py
+++ b/travel-proxy/app/main.py
@@ -12,6 +12,10 @@ from PIL import Image
 from .db import init_db, get_photos_by_region, get_all_albums, set_album_cover, mark_thumb_done
 from .indexer import sync, _load_region_map_merged
 
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+)
 logger = logging.getLogger(__name__)
 
 app = FastAPI()