Kamal
by 37signals
Deploy containerized web apps to any server with zero downtime
Kamal is an open-source deploy tool from 37signals that ships Docker-containerized web apps to bare metal or cloud VMs over SSH. It handles zero-downtime deploys, rolling restarts, remote builds, and accessory services such as databases. It is the default deployment tool in Rails 8 but works with any containerized app.
Key features
- Zero-downtime deploys via kamal-proxy
- Rolling restarts and rollbacks
- Remote and multi-arch builds
- Accessory services such as databases
- Works with any VPS or bare-metal server
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