fix: use env

server/api/check-backup.get.ts

@@ -4,6 +4,8 @@ import {
   resolveFolderRemoteDir
 } from "../utils/ssh.ts"
 
+export const BACKUP_HOUR = process.env.BACKUPS_HOUR
+import {process} from "std-env";
 import backupOptions from "../config/backup-options.json"
 
 type BackupTarget = {
@@ -15,7 +17,6 @@ type LatestBackupInfo = {
   modifiedAt: string | null
 }
 
-const BACKUP_HOUR = 19
 const backupTargets = backupOptions as BackupTarget[]
 
 function toLabel(name: string) {