Fix PermissionError by setting TRANSFORMERS_CACHE to /app/.cache

Dockerfile

@@ -2,11 +2,24 @@ FROM python:3.9-slim
 
 WORKDIR /app
 
+# Copy requirements first to leverage caching
 COPY requirements.txt .
+
+# Install dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Copy the rest of the application
 COPY . .
 
+# Set environment variable for Hugging Face cache
+ENV TRANSFORMERS_CACHE=/app/.cache
+ENV HF_HOME=/app/.cache/huggingface
+
+# Create cache directory and set permissions
+RUN mkdir -p /app/.cache && chmod -R 777 /app/.cache
+
+# Expose the port
 EXPOSE 7860
 
+# Run the application
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]

requirements.txt

@@ -1,4 +1,5 @@
 fastapi
 uvicorn
 transformers
-torch
+torch
+huggingface_hub