replace emacs with emacs-nox

Author: peterprescott

minimal-notebook/Dockerfile

@@ -10,7 +10,7 @@ USER root
 # Install all OS dependencies for fully functional notebook server
 RUN apt-get update && apt-get install -yq --no-install-recommends \
     build-essential \
-    emacs \
+    emacs-nox \
     vim-tiny \
     git \
     inkscape \