Update Dockerfile

Dockerfile

@@ -22,10 +22,33 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libxslt1.1 \
     libffi-dev \
     libssl-dev \
+    pkg-config \
+    python3-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Install OCRmyPDF
-RUN pip install --no-cache-dir ocrmypdf
+# Configure pip for better reliability
+RUN pip config set global.timeout 1000 && \
+    pip config set global.retries 10 && \
+    pip config set global.default-timeout 1000
+
+# Install core dependencies first
+RUN pip install --no-cache-dir \
+    Flask==2.3.3 \
+    Flask-Login==0.6.3 \
+    flask-cors==4.0.0 \
+    bcrypt==4.1.2 \
+    Pillow==10.0.0 \
+    pytesseract==0.3.10
+
+# Install OCRmyPDF and its dependencies
+RUN pip install --no-cache-dir ocrmypdf==14.4.0 pdf2image==1.16.3
+
+# Install AI-related dependencies
+RUN pip install --no-cache-dir \
+    google-genai==0.2.0 \
+    openai==1.3.0 \
+    mistralai==0.0.7 \
+    beautifulsoup4==4.12.2
 
 # Copy backend code
 COPY backend/ /app/backend/
@@ -33,10 +56,8 @@ COPY backend/ /app/backend/
 # Copy built frontend assets into the backend's static folder
 COPY --from=frontend-build /app/frontend/build/ /app/backend/static/
 
-# Set working directory to backend and install Python dependencies
+# Set working directory to backend
 WORKDIR /app/backend
-COPY backend/requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
 
 EXPOSE 5015
 CMD ["python", "app.py"]