code-server: r initial release

root/etc/cont-init.d/98-r

@@ -0,0 +1,14 @@
+#!/usr/bin/with-contenv bash
+
+echo "**** installing R dev environment ****"
+apt-get install -y --no-install-recommends \
+    dirmngr \
+    software-properties-common \
+    wget
+
+wget -qO- https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc | sudo tee -a /etc/apt/trusted.gpg.d/cran_ubuntu_key.asc
+add-apt-repository "deb https://cloud.r-project.org/bin/linux/ubuntu $(lsb_release -cs)-cran40/"
+
+apt-get install -y \
+    build-essential \
+    r-base