From e300f95e6f7f86416bb8791d495e8db673935636 Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Tue, 8 Sep 2020 12:15:42 +0200
Subject: [PATCH] new: [piwigo] added ``backup`` relation.

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>
---
 piwigo/metadata.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/piwigo/metadata.yml b/piwigo/metadata.yml
index df8d40f6..ddc5ab83 100644
--- a/piwigo/metadata.yml
+++ b/piwigo/metadata.yml
@@ -25,3 +25,8 @@ uses:
       location: !var-expand "$DATASTORE/$BASE_SERVICE_NAME/opt/apps/piwigo"
       # data-dirs: ## write permission for web-app
       #   - .
+  backup:
+    constraint: optional
+    auto: pair
+    solves:
+      backup: "Automatic regular backup of photos"