update dockerfile

Dockerfile

@@ -6,6 +6,8 @@ RUN apt-get update && apt-get install -y \
     build-essential \
     software-properties-common \
     git \
+    libcairo2 \
+    libcairo2-dev \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /moulinette
@@ -14,4 +16,4 @@ RUN echo $(ls -1 .. )
 
 RUN pip3 install -r requirements.txt
 
-ENTRYPOINT ["streamlit", "run", "Corriger.py", "--server.port=7860"]
+ENTRYPOINT ["streamlit", "run", "Corriger.py", "--server.port=7860"]