Retry: Set a home directory for the "app" user

Apparently it's done differently in the parent image,
 so we just overwrite it.

Hopefully now the app user will have a home

#32 - Docker image

docker/rootfs/etc/cont-init.d/00-app-user-map.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/with-contenv sh
+
+#
+# Add the app user to the password and group databases.  This is needed just to
+# make sure that mapping between the user/group ID and its name is possible.
+#
+
+set -e # Exit immediately if a command exits with a non-zero status.
+set -u # Treat unset variables as an error.
+
+cp /defaults/passwd /etc/passwd
+cp /defaults/group /etc/group
+cp /defaults/shadow /etc/shadow
+chown root:shadow /etc/shadow
+chmod 640 /etc/shadow
+
+echo "$APP_USER:x:$USER_ID:$GROUP_ID::${APP_HOME:-/dev/null}:/sbin/nologin" >> /etc/passwd
+echo "$APP_USER:x:$GROUP_ID:" >> /etc/group
+
+# vim:ft=sh:ts=4:sw=4:et:sts=4