diff --git a/app.py b/app.py
index fc5b073..c5e915b 100644
--- a/app.py
+++ b/app.py
@@ -25,25 +25,35 @@ except ImportError:
     from backports.zoneinfo import ZoneInfo
 
 
-def build_fingerprint(paths):
-    h = hashlib.sha256()
-    for base in paths:
-        if not os.path.exists(base):
-            continue
-        for root, _, files in os.walk(base):
-            for f in sorted(files):
-                p = os.path.join(root, f)
-                try:
-                    with open(p, "rb") as fh:
-                        h.update(fh.read())
-                except Exception:
-                    continue
-    return h.hexdigest()[:8]
+def read_commit_and_date(filename="version.txt", root_path=None):
+    base = root_path or os.path.dirname(os.path.abspath(__file__))
+    path = os.path.join(base, filename)
+    if not os.path.exists(path):
+        return None, None
 
-APP_VERSION = f"{datetime.now():%Y.%m.%d}+{build_fingerprint(['templates','static','app.py'])}"
+    try:
+        commit = open(path, "r", encoding="utf-8").read().strip()
+        if commit:
+            commit = commit[:12]
+    except Exception:
+        commit = None
 
-app = Flask(__name__)
-app.config['APP_VERSION'] = APP_VERSION
+    try:
+        ts = os.path.getmtime(path)
+        date_str = datetime.fromtimestamp(ts).strftime("%Y.%m.%d")
+    except Exception:
+        date_str = None
+
+    return date_str, commit
+
+deploy_date, commit = read_commit_and_date("version.txt", root_path=os.path.dirname(__file__))
+if not deploy_date:
+    deploy_date = datetime.now().strftime("%Y.%m.%d")
+if not commit:
+    commit = "dev"
+
+APP_VERSION = f"{deploy_date}+{commit}"
+app.config["APP_VERSION"] = APP_VERSION
 
 # Ładujemy konfigurację z pliku config.py
 app.config.from_object("config.Config")
diff --git a/deploy.sh b/deploy.sh
index 9ee7738..1180879 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -23,7 +23,6 @@ if ! docker compose version >/dev/null 2>&1; then
 fi
 
 if [[ ! -f "$REPO_DIR/$COMPOSE_FILE" ]]; then
-  # Spróbuj alternatywnej nazwy
   if [[ -f "$REPO_DIR/compose.yaml" ]]; then
     COMPOSE_FILE="compose.yaml"
   else
@@ -41,6 +40,10 @@ git fetch --prune "$GIT_REMOTE"
 git checkout "$GIT_BRANCH" >/dev/null 2>&1 || true
 git pull --ff-only "$GIT_REMOTE" "$GIT_BRANCH"
 
+# --- Zapisanie wersji do pliku ---
+log "Zapisywanie hasha commita do version.txt"
+git rev-parse --short HEAD > version.txt
+
 # --- Zatrzymanie i usunięcie bieżącego stacka ---
 log "Docker Compose DOWN (usuwanie kontenerów i osieroconych usług)"
 docker compose -f "$COMPOSE_FILE" down --remove-orphans
@@ -53,4 +56,4 @@ else
   docker compose -f "$COMPOSE_FILE" up -d --no-deps --build
 fi
 
-log "Gotowe ✅"
+log "Gotowe ✅  (wersja: $(cat version.txt))"