diff --git a/13/Dockerfile b/13/Dockerfile
index 3bdc403bee..952e6bc8e1 100644
--- a/13/Dockerfile
+++ b/13/Dockerfile
@@ -1,6 +1,8 @@
 # vim:set ft=dockerfile:
 FROM debian:buster-slim
 
+
+
 RUN set -ex; \
 	if ! command -v gpg > /dev/null; then \
 		apt-get update; \
@@ -19,7 +21,9 @@ RUN set -eux; \
 # also create the postgres user's home directory with appropriate permissions
 # see https://github.com/docker-library/postgres/issues/274
 	mkdir -p /var/lib/postgresql; \
-	chown -R postgres:postgres /var/lib/postgresql
+	chown -R postgres:postgres /var/lib/postgresql; \
+	mkdir -p /var/lib/backup; \
+	chown -R postgres:postgres /var/lib/backup
 
 # grab gosu for easy step-down from root
 # https://github.com/tianon/gosu/releases
@@ -53,8 +57,8 @@ RUN set -eux; \
 		! grep -q '/usr/share/locale' /etc/dpkg/dpkg.cfg.d/docker; \
 	fi; \
 	apt-get update; apt-get install -y --no-install-recommends locales; rm -rf /var/lib/apt/lists/*; \
-	localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
-ENV LANG en_US.utf8
+	localedef -i fr_FR -c -f UTF-8 -A /usr/share/locale/locale.alias fr_FR.UTF-8
+ENV LANG fr_FR.utf8
 
 RUN set -eux; \
 	apt-get update; \
@@ -181,6 +185,7 @@ ENV PGDATA /var/lib/postgresql/data
 # this 777 will be replaced by 700 at runtime (allows semi-arbitrary "--user" values)
 RUN mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA"
 VOLUME /var/lib/postgresql/data
+VOLUME /var/lib/backup
 
 COPY docker-entrypoint.sh /usr/local/bin/
 RUN ln -s usr/local/bin/docker-entrypoint.sh / # backwards compat