portainer
DockNimbus vs Portainer
Both make Docker easier to manage, but at different scopes:
| DockNimbus | Portainer | |
|---|---|---|
| What it is | Self-hosted cloud platform | Container management UI |
| Primary interface | CLI + YAML manifests | Web UI (primary), API |
| Scope | Full stack: node provisioning → networking → workloads | Manages existing Docker/Swarm/K8s environments |
| Node provisioning | Built-in via SSH | Not included — Docker must already be installed |
| Cluster creation | Creates Docker Swarm + K3s clusters | Connects to existing clusters |
| Networking | WireGuard mesh VPN, EasyHAProxy, dnsmasq | Uses Docker/K8s networking as-is |
| Storage | NFS volumes, MinIO S3 built-in | Manages existing Docker volumes |
| IaC | Built-in YAML manifests with drift detection | Stacks (Compose files) via UI, no full IaC |
| Compose support | Deploy via nimbus service commands/manifests | Deploy Compose stacks via web UI |
| K8s support | Creates and manages K3s clusters | Connects to existing K8s, deploys via UI |
| App templates | Not included | Built-in app template catalog |
| RBAC | Multi-user with API keys/JWT | Teams, roles, endpoint access control |
| Edge computing | WireGuard mesh for remote nodes | Portainer Edge Agent for remote environments |
| Registry management | Not included | Connect multiple container registries via UI |
| GitOps | Not included | Git-based stack deployments |
| Web terminal | Not included | Container console access in browser |
| ARM support | First-class (RPi + x86 mixed) | Supported |
| Minimum resources | Single RPi, ~256MB RAM | Single node, ~512MB RAM |
| Cost | Free | Free (CE) or paid (Business Edition) |
| Target audience | Homelabbers, small teams wanting IaC | Teams wanting a visual Docker/K8s management layer |
When to use which
DockNimbus — You want to build infrastructure from scratch on bare metal, prefer CLI and declarative manifests, and need integrated networking (WireGuard) and storage (NFS/S3). You're comfortable without a web UI.
Portainer — You already have Docker or Kubernetes running and want a web UI to manage containers, stacks, and images. Your team prefers clicking over typing. You want app templates and registry browsing.
Key philosophical difference
- Portainer is a window into existing infrastructure — it makes what you already have easier to see and manage
- DockNimbus builds the infrastructure — it takes bare machines and creates the platform from scratch
Portainer is a UI layer. DockNimbus is a platform builder. You could theoretically run Portainer on top of a DockNimbus-managed Swarm for the best of both worlds.