trying updating before instal

Dockerfile

@@ -5,9 +5,9 @@ RUN mamba install -c conda-forge leafmap geopandas localtileserver -y && \
     fix-permissions "/home/${NB_USER}"
 
 USER root
+RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
 RUN apt-get install -y software-properties-common
 RUN add-apt-repository -y ppa:ubuntugis/ppa
-RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
 RUN apt-get install -y gdal-bin libgdal-dev
 RUN export CPLUS_INCLUDE_PATH=/usr/include/gdal
 RUN export C_INCLUDE_PATH=/usr/include/gdal