Mobile and Docker Update

backend/Dockerfile

@@ -1,5 +1,13 @@
 
-FROM python:3.9-slim
+FROM python:3.13-slim
+
+RUN apt-get update && apt-get install -y \
+    libgl1 \
+    libglib2.0-0 \
+    libsm6 \
+    libxext6 \
+    libxrender-dev \
+    && rm -rf /var/lib/apt/lists/*
 
 
 WORKDIR /app