feat: README updates to reflect single script usage.

README.md

@@ -13,6 +13,7 @@ A script to backup docker volumes and stack configuration on the servers.
 1. Copies the result to the `/backups` folder.
 1. Cleans up / removes temporary directory that was created.
 1. Restarts all the services.
+1. Removes backups older than 7 days.
 
 ## Setup
 
@@ -21,7 +22,7 @@ stored in. This is done by editing the `/etc/fstab` file, and adding the
 following line.
 
 ```bash
-//<nas_ip>/docker/backups/<machine> /backups cifs credentials=/home/michael/smbcredentials,uid=0,gid=0 0 0
+//<nas_ip>/docker/backups/<machine> /backups cifs credentials=/path/to/smbcredentials,uid=0,gid=0 0 0
 ```
 
 Once that is done:
@@ -66,11 +67,21 @@ sudo systemctl start backup.service
 
 ## Restore
 
-This repository also contains a restore script that can restore the stacks and
+The backup script also contains a restore command that can restore the stacks and
 volumes from a backup (hopefully it's never needed!).
 
 ### Usage
 
-1. Download the script `wget https://git.housh.dev/homelab/backup/raw/branch/main/docker-restore.sh`
-1. Make script executable `chmod +x docker-restore.sh`
-1. Run the script `sudo ./docker-restore.sh /backups/<backup>.tar.gz`
+You can use the restore command without an argument to use the last backup as
+the archive to restore from.
+
+```bash
+sudo docker-backup restore
+```
+
+Or if you'd like to restore using a specific archive then you can pass in
+argument that contains the path to the backup archive to use.
+
+```bash
+sudo docker-backup restore /backups/2025-04-21.tar.gz
+```