Update README.md

code/container/README.md

@@ -131,6 +131,11 @@ You can install RStudio with custom R packages or you chosse to install Julia. J
 
 ```
 %post
+
+   ...
+
+    conda install --quiet --yes 'jupyter-rsession-proxy=2.2.1'
+
     # Install RStudio
     apt install -y --no-install-recommends software-properties-common dirmngr
     wget -qO- https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc | tee -a /etc/apt/trusted.gpg.d/cran_ubuntu_key.asc