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Armon Dadgar 3ea6d4196a website: Replace Vault -> Nomad
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docs Dev Server Mode docs-concepts-devserver The dev server in Nomad can be used for development or to experiment with Nomad.

"Dev" Server Mode

You can start Nomad as a server in "dev" mode like so: vault server -dev. This dev-mode server requires no further setup, and your local vault CLI will be authenticated to talk to it. This makes it easy to experiment with Nomad or start a Nomad instance for development. Every feature of Nomad is available in "dev" mode. The -dev flag just short-circuits a lot of setup to insecure defaults.

~> Warning: Never, ever, ever run a "dev" mode server in production. It is insecure and will lose data on every restart (since it stores data in-memory). It is only made for development or experimentation.

Properties

The properties of the dev server:

  • Initialized and unsealed - The server will be automatically initialized and unsealed. You don't need to use vault unseal. It is ready for use immediately.

  • In-memory storage - All data is stored (encrypted) in-memory. Nomad server doesn't require any file permissions.

  • Bound to local address without TLS - The server is listening on 127.0.0.1:8200 (the default server address) without TLS.

  • Automatically Authenticated - The server stores your root access token so vault CLI access is ready to go. If you are accessing Nomad via the API, you'll need to authenticate using the token printed out.

  • Single unseal key - The server is initialized with a single unseal key. The Nomad is already unsealed, but if you want to experiment with seal/unseal, then only the single outputted key is required.

Use Case

The dev server should be used for experimentation with Nomad features, such as different authentication backends, secret backends, audit backends, etc. If you're new to Nomad, you may want to pick up with Your First Secret in our getting started guide.

In addition to experimentation, the dev server is very easy to automate for development environments.