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backport of commit 4b6cc14216adda35d38c8a2d7f050de9e05114e0 (#18482) 

Co-authored-by: Joshua Timmons <joshua.timmons1@gmail.com>
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hc-github-team-nomad-core 2023-09-13 09:23:00 -05:00 committed by GitHub
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website/content/docs/concepts/variables.mdx
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@ -7,12 +7,13 @@ description: Learn about the Nomad Variables feature
# Nomad Variables
Most Nomad workloads need access to config values or secrets. Nomad has a
`template` block to provide such configuration to tasks, but prior to Nomad 1.4
has left the role of storing that configuration to external services such as
[HashiCorp Consul] and [HashiCorp Vault].
`template` block to [provide such configuration to tasks](/nomad/docs/job-specification/template#nomad-variables),
but prior to Nomad 1.4 has left the role of storing that configuration to
external services such as [HashiCorp Consul] and [HashiCorp Vault].
Nomad Variables provide the option to store configuration at file-like paths
directly in Nomad's state store. The contents of these variables are encrypted
directly in Nomad's state store. You can [access these variables](/nomad/docs/job-specification/template#nomad-variables) directly from
your task `template`s. The contents of these variables are encrypted
and replicated between servers via raft. Access to variables is controlled by
ACL policies, and tasks have implicit ACL policies that allow them to access
their own variables. You can create, read, update, or delete variables via the
@ -189,7 +190,7 @@ See [Workload Associated ACL Policies] for more details.
[HashiCorp Vault]: https://www.vaultproject.io/
[Key Management]: /nomad/docs/operations/key-management
[ACL policy specification]: /nomad/docs/other-specifications/acl-policy
[`template`]: /nomad/docs/job-specification/template
[`template`]: /nomad/docs/job-specification/template#nomad-variables
[workload identity]: /nomad/docs/concepts/workload-identity
[Workload Associated ACL Policies]: /nomad/docs/concepts/workload-identity#workload-associated-acl-policies
[ACL policy namespace rules]: /nomad/docs/other-specifications/acl-policy#namespace-rules