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Environment Variable Credentials

Environment variable credentials reference runtime variables instead of storing raw secret values in the UI.

How it works​

  1. Define environment variables in deployment config.
  2. In credential fields, use names like $PAYMENTS_API_KEY.
  3. Zerq resolves values at runtime.

Practical guidance​

  • Keep variable names stable across environments.
  • Document required variable keys in deployment runbooks.
  • Fail fast during startup if required variables are missing.