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Validate the Kamal configuration giving useful warning on errors. Each section of the configuration has its own config class and a YAML file containing documented example configuration. You can run `kamal docs` to see the example configuration, and `kamal docs <section>` to see the example configuration for a specific section. The validation matches the configuration to the example configuration checking that there are no unknown keys and that the values are of matching types. Where there is more complex validation - e.g for envs and servers, we have custom validators that implement those rules. Additonally the configuration examples are used to generate the configuration documentation in the kamal-site repo. You generate them by running: ``` bundle exec bin/docs <kamal-site-checkout> ```
Kamal: Deploy web apps anywhere
From bare metal to cloud VMs, deploy web apps anywhere with zero downtime. Kamal has the dynamic reverse-proxy Traefik hold requests while a new app container is started and the old one is stopped. Works seamlessly across multiple hosts, using SSHKit to execute commands. Originally built for Rails apps, Kamal will work with any type of web app that can be containerized with Docker.
➡️ See kamal-deploy.org for documentation on installation, configuration, and commands.
Contributing to the documentation
Please help us improve Kamal's documentation on the the basecamp/kamal-site repository.
License
Kamal is released under the MIT License.