Update Dockerfile

Dockerfile

@@ -1,10 +1,10 @@
+# Start from Python 3.9 image
 FROM python:3.9
 
-RUN useradd -m -u 1000 user
-USER user
-ENV PATH="/home/user/.local/bin:$PATH"
+# Switch to root to install system dependencies
+USER root
 
-# Set non-interactive mode to avoid user input issues
+# Set non-interactive mode
 ENV DEBIAN_FRONTEND=noninteractive
 
 # Fix permission issues by using --allow-releaseinfo-change
@@ -15,23 +15,23 @@ RUN apt-get update --allow-releaseinfo-change && \
     poppler-utils && \
     rm -rf /var/lib/apt/lists/*  # Clean up
 
-# Install required Python packages
-RUN pip install --no-cache-dir \
-    langchain \
-    pdf2image \
-    pytesseract \
-    pillow \
-    pymupdf \
-    pypdf \
-    unstructured[pdf]
+# Add a non-root user
+RUN useradd -m -u 1000 user
+
+# Switch to the new user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
 
 # Set Tesseract OCR path
 ENV TESSDATA_PREFIX="/usr/share/tesseract-ocr/4.00/tessdata"
 
+# Set working directory
 WORKDIR /app
 
+# Copy requirements and install Python packages
 COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-COPY --chown=user . /app
+# Copy application files
+COPY --chown=user . .
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]