chore: fix backup script

backup all schema in one step
otherwise FK between embedding and public are not enforced

scripts/backup_postgres.sh

@@ -4,23 +4,15 @@
 set -euo pipefail
 IFS=$'\n\t'
 
-echo "Performing Robotoff PostgreSQL backup"
+echo "$(date -u '+%Y-%m-%d %H:%M:%S') :: Performing Robotoff PostgreSQL backup"
 
 BASE_DIR=/opt/robotoff-backups/postgres
-echo "Creating $BASE_DIR if it doesn't exist"
+echo "$(date -u '+%Y-%m-%d %H:%M:%S') :: Creating $BASE_DIR if it doesn't exist"
 mkdir -p $BASE_DIR
 
 # We backup the two schemas in distinct backups, because the embedding schema is huge
-echo "Backing-up public schema..."
 # Save the backup in progress in a temporary file so that the latest dump file is always valid
 # Wait 10s max for the lock to be released (avoid concurrent dump)
-pg_dump --lock-wait-timeout=10000 --schema public -F c -U postgres postgres -f $BASE_DIR/robotoff_postgres_public.dump.tmp
-mv $BASE_DIR/robotoff_postgres_public.dump.tmp $BASE_DIR/robotoff_postgres_public.dump
-echo "public schema completed"
-
-echo "Backing-up embedding schema..."
-pg_dump --lock-wait-timeout=10000 --schema embedding -F c -U postgres postgres -f $BASE_DIR/robotoff_postgres_embedding.dump.tmp
-mv $BASE_DIR/robotoff_postgres_embedding.dump.tmp $BASE_DIR/robotoff_postgres_embedding.dump
-echo "embedding schema completed"
-
-echo "Backup completed"
+pg_dump --lock-wait-timeout=10000 -F c -U postgres postgres -f $BASE_DIR/robotoff_postgres.dump.tmp
+mv $BASE_DIR/robotoff_postgres.dump.tmp $BASE_DIR/robotoff_postgres.dump
+echo "$(date -u '+%Y-%m-%d %H:%M:%S') :: back-up completed"