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Welcome, Cosmonaut!

Welcome to Cosmonic!

We're excited to have you here to imagine, create, and scale your applications beyond the cloud. The documentation here serves as a home for guides, tutorials, reference applications, and answers to common questions about Cosmonic.

First Steps

For the quickest introduction to building apps on Cosmonic, follow the Quickstart guide.

To familiarize yourself with the product UI, follow the Product Tour guide.

Learning More

  • Things to Build walks you through the wide range of supported application architectures, and how to build and run them on Cosmonic.
  • Building with Cosmonic explains what's different about Cosmonic and everything you need to know to be successful taking your ideas to production.
  • The Capabilities section details each of the capabilities supported by Cosmonic. Batteries included!

FAQ, Troubleshooting, and Feedback

If you have any questions, the FAQ section and nested Troubleshooting page is there to help.

We love feedback! For questions, problems, or general feedback, please join us on Discord or reach out via


The User Guide gives an overview of everything from how to manage your resources in the Cosmonic UI to how to develop and deploy your applications using the CLI.

Heads up!

Cosmonic is currently available as a Developer Preview. We are doing our best to keep everything stable so you can have a great experience. However, you should not run production workloads on the platform at this time. Your constellation state (including hosts, actors, and providers) may be reset without notice as we perform upgrades.