Update backup_restore.md (#438)

* Update backup_restore.md Update to solve the issue where the service could not be found, in some configurations the database is defined as 'db'. If not configured in an explicit way the user might get a "ERROR: No such service: database" when running the command * Update instructions Co-authored-by: Adrian Kumpf <[email protected]>
teslamate-org · Feb 12, 2020 · d12135b · d12135b
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diff --git a/docs/maintenance/backup_restore.md b/docs/maintenance/backup_restore.md
@@ -8,6 +8,8 @@ Create backup file `teslamate.bck`:
 docker-compose exec database pg_dump -U teslamate teslamate > teslamate.bck
 ```
 
+If you see the error `ERROR: No such service: database`, please update your _docker-compose.yml_ or use `db` instead of `database` in the above command.
+
 ## Restore
 
 ```bash