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Environment variables set here are available to Spark jobs running on the oleander-managed cluster. They are stored encrypted and injected at runtime.

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List environment variables

oleander env list
Pass --json for machine-readable output: 
oleander env list --json
Example output: 
Environment variables
- name: DATABASE_URL
  id: ev_abc123
  updated: 2026-05-01T12:00:00Z
- name: API_SECRET
  id: ev_def456
  updated: 2026-05-10T09:30:00Z

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Set an environment variable

oleander env set <NAME> <value>
Names are uppercased automatically. Creating a variable with an existing name replaces it. Example: 
oleander env set DATABASE_URL "postgresql://host:5432/mydb"

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Delete an environment variable

oleander env delete <NAME>
Example: 
oleander env delete DATABASE_URL