diff --git a/images/arcgis/Dockerfile b/images/arcgis/Dockerfile
index e5c5d5f..1e195e0 100644
--- a/images/arcgis/Dockerfile
+++ b/images/arcgis/Dockerfile
@@ -1,18 +1,14 @@
 # 
 FROM jupyter/base-notebook:lab-2.2.9
 
-RUN conda install --yes 'jupyter-server-proxy=3.2.2' && \
-    conda clean --all -f -y
-    
-RUN conda install --yes -c esri 'arcgis=2.0.0' && \
-    conda clean --all -f -y
-RUN conda install --yes rasterio xarray geopandas  && conda clean --all -f -y
+RUN mamba update -c esri 'arcgis=2.0.0'
+RUN mamba update rasterio xarray geopandas
 
 RUN jupyter labextension install @jupyter-widgets/jupyterlab-manager@2 && \
     jupyter labextension install arcgis-map-ipywidget@2.0.0
 
 # version control for jupyter notebooks
-RUN conda install --yes jupytext -c conda-forge && conda clean --all -f -y
+RUN mamba update jupytext
 
 COPY apt.txt /tmp/apt.txt
 
diff --git a/images/arcgis/Dockerfile_works b/images/arcgis/Dockerfile_works
new file mode 100644
index 0000000..e5c5d5f
--- /dev/null
+++ b/images/arcgis/Dockerfile_works
@@ -0,0 +1,37 @@
+# 
+FROM jupyter/base-notebook:lab-2.2.9
+
+RUN conda install --yes 'jupyter-server-proxy=3.2.2' && \
+    conda clean --all -f -y
+    
+RUN conda install --yes -c esri 'arcgis=2.0.0' && \
+    conda clean --all -f -y
+RUN conda install --yes rasterio xarray geopandas  && conda clean --all -f -y
+
+RUN jupyter labextension install @jupyter-widgets/jupyterlab-manager@2 && \
+    jupyter labextension install arcgis-map-ipywidget@2.0.0
+
+# version control for jupyter notebooks
+RUN conda install --yes jupytext -c conda-forge && conda clean --all -f -y
+
+COPY apt.txt /tmp/apt.txt
+
+USER root
+
+RUN echo "Installing Apt-get packages..." \
+    && apt-get update --fix-missing > /dev/null \
+    && apt-get install -y apt-utils wget zip tzdata > /dev/null \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+	
+RUN echo "Installing helpful packages..." \
+	&& apt-get update --fix-missing > /dev/null \
+    # Read apt.txt line by line, and execute apt-get install -y for each line in apt.txt
+    && xargs -a /tmp/apt.txt apt-get install -y \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* 
+
+USER ${NB_USER}
+
+RUN fix-permissions "${CONDA_DIR}" && \
+    fix-permissions "/home/${NB_USER}"