Update Dockerfile

Dockerfile

@@ -18,9 +18,10 @@ RUN apt-get update && apt-get install -y \
 USER node
 WORKDIR /home/node/app
 
-# Clone repo từ build arg
-ARG REPO
-RUN test -n "$REPO" && git clone "$REPO" .
+# Hugging Face sẽ inject REPO từ Secrets vào ENV khi build
+ENV REPO=${REPO}
+
+RUN git clone "$REPO" .
 
 RUN npm install \
  && npm install cross-blob \