Disable core dumps

base/Dockerfile

@@ -101,7 +101,7 @@ RUN R --slave -e "install.packages('IRkernel')"
 RUN R --slave -e "IRkernel::installspec(name = 'ir363', displayname = 'R 3.6.3')"
 
 # disable core dumps
-RUN ulimit -c 0
+RUN echo "* - core 0" >> /etc/security/limits.conf
 
 # fix permissions so NB_USER has permissions to run notebooks and install packages
 COPY base/fix-permissions /usr/local/bin/fix-permissions

base/start-notebook.sh

@@ -10,4 +10,6 @@ envsubst < /tmp/group.template > /tmp/group
 export LD_PRELOAD=libnss_wrapper.so
 export NSS_WRAPPER_PASSWD=/tmp/passwd
 export NSS_WRAPPER_GROUP=/tmp/group
+# Disable core dumps
+ulimit -c 0
 exec jupyter labhub --NotebookApp.default_url=/lab --config=/opt/app-root/etc/jupyter_notebook_config.py $@