Update Dockerfile

Dockerfile

@@ -1,22 +1,32 @@
+# Base image
 FROM python:3.10-slim
 
+# Set environment variables for HF cache
+ENV HF_HOME=/tmp/hf_home
+ENV TRANSFORMERS_CACHE=/tmp/hf_home
+ENV PYTHONUNBUFFERED=1
+
+# Create cache directory with writable permissions
+RUN mkdir -p /tmp/hf_home && chmod -R 777 /tmp/hf_home
+
+# Install OS dependencies needed by torch/transformers
+RUN apt-get update && apt-get install -y build-essential git && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
 WORKDIR /app
 
-# Install dependencies
+# Copy requirements and install
 COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy app code
+# Copy application code
 COPY api.py .
 
-# Hugging Face cache directories (use HF_HOME instead of TRANSFORMERS_CACHE)
-ENV HF_HOME=/tmp/hf_home
-ENV TRANSFORMERS_CACHE=/tmp/hf_home
-RUN mkdir -p /tmp/hf_home && chmod -R 777 /tmp/hf_home
-
-# Expose port 7860 (Hugging Face Spaces default)
+# Expose port
 EXPOSE 7860
 
-# Run FastAPI with uvicorn
+# Run FastAPI
 CMD ["uvicorn", "api:app", "--host", "0.0.0.0", "--port", "7860"]
 
+