Update Dockerfile

Dockerfile

@@ -19,20 +19,20 @@ WORKDIR /app
 
 # Set environment variables
 ENV HF_HOME=/app/.cache \
-    XDG_CACHE_HOME=/app/.cache
+    XDG_CACHE_HOME=/app/.cache \
+    PYTHONUNBUFFERED=1 \
+    PYTHONFAULTHANDLER=1
 
-# Install requirements
+# Install requirements first for caching
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Download model as root then fix permissions
-RUN python -c "from transformers import GPT2LMHeadModel; \
-GPT2LMHeadModel.from_pretrained('gpt2-medium', use_safetensors=True)" && \
-    chown -R appuser:appuser /app/.cache
-
+# Application code
 COPY --chown=appuser:appuser . .
 
 # Run as non-root user
 USER appuser
 
-CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--timeout", "600", "app:app"]
+# Startup script with health check
+CMD ["sh", "-c", \
+    "gunicorn --bind 0.0.0.0:5000 --timeout 600 --preload app:app"]