Fix timezone settings for borgmatic in datacore

templates/datacore/docker-compose.yml

@@ -40,9 +40,9 @@ services:
   borgmatic:
     image: b3vis/borgmatic:1.8
     restart: unless-stopped
+    environment:
+      TZ: 'Europe/Berlin'
     volumes:
-      - /etc/timezone:/etc/timezone:ro
-      - /etc/localtime:/etc/localtime:ro
       - /usr/local/bin/alertalerta.py:/usr/local/bin/alertalerta.py
       - /apps/datacore/${CI_PROJECT_ID}/${CI_COMMIT_REF_NAME}/dbbackup:/mnt/source:ro
       - /apps/datacore/${CI_PROJECT_ID}/${CI_COMMIT_REF_NAME}/borgconfig:/etc/borgmatic.d/