diff --git a/compose.yml b/compose.yml
index 5c27b14..ef27200 100644
--- a/compose.yml
+++ b/compose.yml
@@ -13,10 +13,8 @@ odoo:
   #   image: mynewimage
 
   relations:
-    postgres-database:
-      postgres:
-        user: odoo
-        dbname: odoo
+    log-rotate: logrotate
+    postgres-database: postgres
     web-proxy:
       frontend:
         domain: mydomain.org
@@ -83,8 +81,8 @@ odoo:
 frontend:
   charm: apache
   relations:
-    cert-provider:
-      letsencrypt
+    log-rotate: logrotate
+    cert-provider: letsencrypt
 
 
 letsencrypt:
@@ -101,6 +99,7 @@ letsencrypt:
     #       secret: YYY
     #     consumer_key: ZZZ
   relations:
+    log-rotate: logrotate
     schedule-command:
       cron:   ## will schedule renew of certs every week
         schedule: "30 3 * * 7" ## min hour day-of-month month day-of-week
@@ -109,7 +108,13 @@ letsencrypt:
 ## Cron is present (even if empty) to add it automatically to any
 ## ``compose up`` (without arguments).
 cron:
+  relations:
+    log-rotate: logrotate
+
 
+logrotate:
+  relations:
+    schedule-command: cron   ## schedule log rotation of all registered services daily
 
 # mattermost:
 #   charm: mattermost