Update Dockerfile

Dockerfile

@@ -9,6 +9,17 @@ RUN apt-get update \
 # App workdir
 WORKDIR /app
 
+# ---- HF hub persistent writable cache (Fix B) ----
+# Use /data (persistent on Spaces) so models aren't re-downloaded every restart
+ENV HOME=/app \
+    HF_HOME=/data/.hf \
+    HUGGINGFACE_HUB_CACHE=/data/.hf/cache \
+    TRANSFORMERS_CACHE=/data/.cache/huggingface
+# Pre-create and open permissions for the runtime (non-root) user
+RUN mkdir -p /data/.hf/cache /data/.cache/huggingface \
+ && chmod -R a+rw /data
+# --------------------------------------------------
+
 # Copy files first (owned by root initially)
 COPY app.py . 
 COPY requirements.txt .