Update Dockerfile

Dockerfile

@@ -18,8 +18,8 @@ RUN apt-get update && apt-get install -y \
 # Copy all project files
 COPY . /app
 
-# Create model directory
-RUN mkdir -p ${MODEL_DIR}
+# ✅ Create and open permissions for /tmp and cache dirs
+RUN mkdir -p /tmp/hf_cache /tmp/models/realvisxl_v4 && chmod -R 777 /tmp /root /app
 
 # --- Install Python dependencies ---
 RUN pip install --no-cache-dir \