Changing www root content does not require an nginx reload.
[Unit]
Description=Minecraft s3 backup for "%I"
[Service]
Type=oneshot
ExecStart=/usr/local/bin/minecraft-s3-backup.sh %i "{{minecraft_s3_backup_dir}}" "{{minecraft_s3_backup_bucket}}" "{{minecraft_s3_backup_tar_dir}}"
[Install]
WantedBy=aws-s3-backup.target