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* Move commands from docs to its own root-level directory * temporarily use modified dev-portal branch with nomad ia changes * explicitly clone nomad ia exp branch * retrigger build, fixed dev-portal broken build * architecture, concepts and get started individual pages * fix get started section destinations * reference section * update repo comment in website-build.sh to show branch * docs nav file update capitalization * update capitalization to force deploy * remove nomad-vs-kubernetes dir; move content to what is nomad pg * job section * Nomad operations category, deploy section * operations category, govern section * operations - manage * operations/scale; concepts scheduling fix * networking * monitor * secure section * remote auth-methods folder and move up pages to sso; linkcheck * Fix install2deploy redirects * fix architecture redirects * Job section: Add missing section index pages * Add section index pages so breadcrumbs build correctly * concepts/index fix front matter indentation * move task driver plugin config to new deploy section * Finish adding full URL to tutorials links in nav * change SSO to Authentication in nav and file system * Docs NomadIA: Move tutorials into NomadIA branch (#26132) * Move governance and policy from tutorials to docs * Move tutorials content to job-declare section * run jobs section * stateful workloads * advanced job scheduling * deploy section * manage section * monitor section * secure/acl and secure/authorization * fix example that contains an unseal key in real format * remove images from sso-vault * secure/traffic * secure/workload-identities * vault-acl change unseal key and root token in command output sample * remove lines from sample output * fix front matter * move nomad pack tutorials to tools * search/replace /nomad/tutorials links * update acl overview with content from deleted architecture/acl * fix spelling mistake * linkcheck - fix broken links * fix link to Nomad variables tutorial * fix link to Prometheus tutorial * move who uses Nomad to use cases page; move spec/config shortcuts add dividers * Move Consul out of Integrations; move namespaces to govern * move integrations/vault to secure/vault; delete integrations * move ref arch to docs; rename Deploy Nomad back to Install Nomad * address feedback * linkcheck fixes * Fixed raw_exec redirect * add info from /nomad/tutorials/manage-jobs/jobs * update page content with newer tutorial * link updates for architecture sub-folders * Add redirects for removed section index pages. Fix links. * fix broken links from linkcheck * Revert to use dev-portal main branch instead of nomadIA branch * build workaround: add intro-nav-data.json with single entry * fix content-check error * add intro directory to get around Vercel build error * workound for emtpry directory * remove mdx from /intro/ to fix content-check and git snafu * Add intro index.mdx so Vercel build should work --------- Co-authored-by: Tu Nguyen <im2nguyen@gmail.com>
85 lines
2.0 KiB
Plaintext
85 lines
2.0 KiB
Plaintext
---
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layout: docs
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page_title: env block in the job specification
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description: |-
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Configure environment variables in the `env` block of the Nomad job specification.
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---
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# `env` block in the job specification
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<Placement groups={['job', 'group', 'task', 'env']} />
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The `env` block configures a list of environment variables to populate the
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task's environment before starting.
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```hcl
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job "docs" {
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group "example" {
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task "server" {
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env {
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my_key = "my-value"
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}
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}
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}
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}
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```
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## Parameters
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The "parameters" for the `env` block can be any key-value. The keys and values
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are both of type `string`, but they can be specified as other types. They will
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automatically be converted to strings. Invalid characters such as dashes (`-`)
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will be converted to underscores.
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## Examples
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The following examples only show the `env` blocks. Remember that the
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`env` block is only valid in the placements listed above.
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### Coercion
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This example shows the different ways to specify key-value pairs. Internally,
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these values will be stored as their string representation. No type information
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is preserved.
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```hcl
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env {
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key = 1.4
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key = "1.4"
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key = true
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key = "1"
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key = 1
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}
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```
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### Interpolation
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This example shows using [Nomad interpolation][interpolation] to populate
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environment variables.
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```hcl
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env {
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NODE_CLASS = "${node.class}"
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}
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```
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### Environment variables with dots
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Environment variables that aren't valid HCLv2 identifiers, like ones containing `.`, require an alternative map assignment syntax.
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```hcl
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env = {
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"discovery.type" = "single-node"
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}
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```
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### Dynamic environment variables
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Nomad also supports populating dynamic environment variables from data stored in
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HashiCorp Consul and Vault. To use this feature please see the documentation on
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the [`template` block][template-env].
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[interpolation]: /nomad/docs/reference/runtime-variable-interpolation 'Nomad interpolation'
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[template-env]: /nomad/docs/job-specification/template#environment-variables 'Nomad template Block'
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