Migrate from Docker on Debian to Podman on Rocky

- Upgrade base OS from Debian 11 to Rocky Linux 9
- Configure 100GB XFS filesystem with auto-expansion
- Replace Docker with rootless Podman for improved security
- Add nginx reverse proxy for non-privileged port handling
- Move the Traefik dashboard from port 8443 to 9443
- Configure SELinux contexts for container operations

roles/common/defaults/main.yml

@@ -1,4 +1,5 @@
-packages:
+common_packages:
   - dnsutils
   - ncdu
   - tree
+  - vim