Update Dockerfile

Dockerfile

@@ -1,9 +1,10 @@
-FROM python:3.10-slim
+# Use Python 3.9 slim image for smaller size
+FROM python:3.9-slim
 
 # Set working directory
 WORKDIR /app
 
-# Install system dependencies for PaddleOCR and pdf2image
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     libgomp1 \
     libglib2.0-0 \
@@ -14,16 +15,15 @@ RUN apt-get update && apt-get install -y \
     poppler-utils \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy requirements
+# Copy requirements first (for better caching)
 COPY requirements.txt .
 
 # Install Python dependencies
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir paddlepaddle==3.0.0 && \
+RUN pip install --no-cache-dir paddlepaddle==3.0.0 && \
     python -m pip install --no-cache-dir paddleocr && \
     pip install --no-cache-dir -r requirements.txt
 
-# Copy application
+# Copy application code
 COPY app.py .
 
 # Expose port (HuggingFace Spaces uses 7860)