Add backups with gobackup and restic

files/backups/restic-shell.sh.j2

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -eu
+set -o pipefail
+
+export RESTIC_REPOSITORY={{ restic_repository }}
+export RESTIC_PASSWORD={{ restic_password }}
+export AWS_ACCESS_KEY_ID={{ restic_s3_access_key }}
+export AWS_SECRET_ACCESS_KEY={{ restic_s3_access_secret }}
+export AWS_DEFAULT_REGION={{ restic_s3_region }}
+
+restic "$@"