change Dockerfile

Dockerfile

@@ -6,21 +6,23 @@ WORKDIR /app
 # Copy dependencies
 COPY requirements.txt setup.py ./
 
-# dependencies
+#  dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# 
-ENV TRANSFORMERS_CACHE=/app/.cache
+# cache directory for Hugging Face
 ENV HF_HOME=/app/.cache
 
-# Pre-download HuggingFace model
+# 
+RUN mkdir -p /app/.cache && chmod -R 777 /app/.cache
+
+# Pre-download model (sentence-transformers/all-MiniLM-L6-v2)
 RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('sentence-transformers/all-MiniLM-L6-v2')"
 
-# Copy source code
+# 
 COPY . .
 
-# Expose port
+# 
 EXPOSE 7860
 
-# Run app
+# Run app 
 CMD ["python", "app.py"]