Kamal
A deployment tool for running containerized web applications on bare metal or cloud virtual machines.
Category
Recommended for
- Solo / Indie
- Idea-Stage
- Pre-Seed
Kamal is an open source deployment tool designed for managing web applications in production using Docker. It enables zero-downtime deployments and rolling restarts for containerized applications. The software supports accessory service management, remote builds, and asset bridging. Originally developed for Rails applications, Kamal is compatible with any type of web app that can be containerized. It provides an alternative to commercial cloud platforms by allowing developers to host services on their own hardware. The system is designed to offer deployment ergonomics similar to managed hosting services while maintaining infrastructure control. Users can deploy to a variety of environments, including bare metal servers and cloud virtual machines.
SSIE
Stage Fit Recommendations
Following data shows why Kamal is recommended for listed teams. The Fit Score represents the percentage fit of Kamal to each company stages, as calculated by the SSIE.
Stage
Fit Score
Fit Reasons
Solo / Indie
$0–$2,000 MRR
68- Deploys containerized web applications to bare metal or cloud
- Provides zero-downtime deployments and rolling restarts
- Manages accessory services and asset bridging automatically
- Builds and caches Docker images to accelerate deployment
Idea-Stage
$0
84- Auto-provisions servers with Docker using basic SSH keys
- Deploys applications across multiple cloud environments simultaneously
Pre-Seed
$0–$10k MRR
68- Controls deployments through simple imperative command-line tools
- Open-source codebase, independently reviewable
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