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env

The workflow-level env field defines environment variables available to every step in the workflow.

workflows:
  deploy-multi-region:
    env:
      TF_LOG: INFO
    steps:
      - command: terraform apply vpc -s plat-ue2-dev --auto-approve
        env:
          AWS_REGION: us-east-2
      - command: terraform apply vpc -s plat-uw2-dev --auto-approve
        env:
          AWS_REGION: us-west-2

Precedence​

Environment variables merge in this order; later values win:

  1. System environment.
  2. Global env from atmos.yaml.
  3. Workflow-level env.
  4. Step-level env.
  5. Auth identity environment when identity is used.

Each step runs as a separate subprocess. Shell export commands inside one step do not persist to later steps unless a workflow step explicitly sets shared state.