Update Dockerfile

Dockerfile

@@ -9,16 +9,19 @@ RUN apt-get update && apt-get install -y \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-# Create a writable cache directory for Hugging Face
+# Create writable cache dir for Hugging Face
+RUN mkdir -p /app/hf_cache && chmod -R 777 /app/hf_cache
 ENV HF_HOME=/app/hf_cache
 ENV TRANSFORMERS_CACHE=/app/hf_cache
 
-# Copy requirements first (so Docker caches layers properly)
+# Copy requirements and install
 COPY requirements.txt ./
-
 RUN pip3 install --no-cache-dir -r requirements.txt
 
-# Copy source code
+# Pre-download the SentenceTransformer model to avoid runtime PermissionError
+RUN python3 -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('sentence-transformers/all-MiniLM-L6-v2', cache_folder='/app/hf_cache')"
+
+# Copy app source code
 COPY src/ ./src/
 
 EXPOSE 8501