Update Dockerfile

Dockerfile

@@ -1,12 +1,29 @@
 FROM python:3.12-slim
 WORKDIR /app
 COPY requirements.txt requirements.txt
-RUN pip install --no-cache-dir -r requirements.txt
+
+# Create and use non-root user for pip
+RUN pip install --no-cache-dir --user -r requirements.txt
+
+# Update package lists and install wkhtmltopdf with dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    wkhtmltopdf \
+    xvfb \
+    xfonts-75dpi \
+    xfonts-base \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY . .
-RUN apt-get install wkhtmltopdf
+
 ARG GEMINI_API_KEY
 RUN --mount=type=secret,id=GEMINI_API_KEY,mode=0444,required=true \
     export GROQ_API_KEY=$(cat /run/secrets/GEMINI_API_KEY) && \
     echo "GEMINI_API_KEY is set."
 ENV GEMINI_API_KEY=${GEMINI_API_KEY}
-CMD ["python", "main.py"]
+
+# Add PATH for pip user installs
+ENV PATH=/root/.local/bin:$PATH
+
+CMD ["python", "app.py"]