Fix: set cache dir for Transformers to work on Spaces

Dockerfile

@@ -1,8 +1,14 @@
 FROM python:3.10-slim
 
+# Set environment variables
+ENV TRANSFORMERS_CACHE=/data/transformers
+
 # Install system dependencies
 RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
 
+# Create writable cache directory
+RUN mkdir -p /data/transformers
+
 # Set working directory
 WORKDIR /app
 
@@ -12,12 +18,12 @@ COPY . .
 # Install Python packages
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Download Hugging Face model weights on build (optional to avoid slow startup)
+# Download Hugging Face model at build time (optional but recommended for faster app startup)
 RUN python -c "from transformers import AutoTokenizer, AutoModel; \
-    AutoTokenizer.from_pretrained('aNameNobodyChose/quote-caster-encoder'); \
-    AutoModel.from_pretrained('aNameNobodyChose/quote-caster-encoder')"
+    AutoTokenizer.from_pretrained('aNameNobodyChose/quote-caster-encoder', cache_dir='/data/transformers'); \
+    AutoModel.from_pretrained('aNameNobodyChose/quote-caster-encoder', cache_dir='/data/transformers')"
 
-# Gradio default port
+# Expose Gradio's default port
 EXPOSE 7860
 
 # Run the Gradio app