[Unit]
Description=Nexus Autoparts automated backup (master + all tenant DBs)
After=postgresql.service
OnFailure=nexus-alert@%n.service

[Service]
Type=oneshot
User=root
WorkingDirectory=/home/Autopartes
ExecStart=/bin/bash /home/Autopartes/scripts/backup_selective.sh
Environment=RETENTION_DAYS=21
Environment=MASTER_DB=nexus_autoparts
# Environment=BACKUP_S3_BUCKET=mi-bucket   (requiere tools/bin/aws configurado)
StandardOutput=append:/var/log/nexus-pos/backup.log
StandardError=append:/var/log/nexus-pos/backup.log