Kamal – Deploy web apps anywhere from bare metal to cloud VMs
Kamal is an open-source deployment tool designed to provide the ease of managed cloud services while allowing developers to run applications on their own hardware or low-cost cloud providers. It aims to reduce vendor lock-in by simplifying the deployment process for containerized web apps.
Why it matters
As cloud costs rise, tools like Kamal offer businesses a path to infrastructure independence and cost optimization.
In the past decade+, there’s been an explosion in commercial offerings that make deploying web apps easier. Heroku kicked it off with an incredible offering that stayed ahead of the competition seemingly forever. These days we have excellent alternatives like Fly.io and Render. And hosted Kubernetes is making things easier too on AWS, GCP, Digital Ocean, and elsewhere. But these are all offerings that have you renting computers in the cloud at a premium. If you want to run on your own hardware, or even just have a clear migration path to do so in the future, you need to carefully consider how locked in you get to these commercial platforms. Preferably before the bills swallow your business whole!
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