drop xdg set

Author: cboettig

Dockerfile

@@ -5,8 +5,8 @@ ARG BASE=quay.io/jupyter/minimal-notebook:ubuntu-24.04
 
 FROM $BASE
 
-# Make code-server extensions etc persist to container, not hub
-ENV XDG_DATA_HOME=/opt/share
+# this env var is recognized by jupyter-vscode-proxy:
+ENV CODE_EXTENSIONSDIR=/opt/share/code-server
 
 USER root
 # code-server (VSCode)
@@ -32,7 +32,7 @@ COPY install.r /tmp/install.r
 RUN Rscript /tmp/install.r
 
 COPY vscode-extensions.txt /tmp/vscode-extensions.txt
-RUN xargs -n 1 code-server --install-extension < /tmp/vscode-extensions.txt
+RUN xargs -n 1 code-server --extensions-dir ${CODE_EXTENSIONSDIR}  --install-extension < /tmp/vscode-extensions.txt
 
 COPY environment.yml /tmp/environment.yml
 RUN mamba env update --file /tmp/environment.yml