Uncloud is a lightweight clustering and container orchestration tool that lets you deploy and manage web apps across cloud VMs and bare metal with minimised cluster management overhead. It creates a secure WireGuard mesh network between your Docker hosts and provides automatic service discovery, load balancing, ingress with HTTPS, and simple CLI commands to manage your apps.
Unlike traditional orchestrators, there's no central control plane and quorum to maintain. Each machine maintains a synchronised copy of the cluster state through peer-to-peer communication, keeping cluster operations functional even if some machines go offline.
Uncloud is the solution for developers who want the flexibility of self-hosted infrastructure without the operational complexity of Kubernetes.
Features:
- Deploy anywhere: Combine cloud VMs, dedicated servers, and bare metal into a unified computing environment — regardless of location or provider.
- Docker Compose: Familiar Docker Compose format for defining services and volumes. No need to learn a new bespoke DSL.
- Zero-downtime deployments: Rolling updates without service interruption. Automatic rollback on failure is coming soon.
- Service discovery: Built-in DNS server resolves service names to container IPs.
- Persistent storage: Run stateful services with Docker volumes managed across machines.
- Zero-config private network: Automatic WireGuard mesh with peer discovery and NAT traversal. Containers get unique IPs for direct cross-machine communication.
- No control plane: Fully decentralised design eliminates single points of failure and reduces operational overhead.
- Imperative over declarative: Favoring imperative operations over state reconciliation simplifies both the mental model and troubleshooting.
- Managed DNS: Automatic DNS records *.<id>.cluster.uncloud.run for services with public access via managed Uncloud DNS service.
- Automatic HTTPS: Built-in Caddy reverse proxy handles TLS certificate provisioning and renewal using Let's Encrypt.
- Docker-like CLI: Familiar commands for managing both infrastructure and applications.
- Remote management: Control your entire infrastructure through SSH access to any single machine in the cluster.
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