Extract the env layer from process.env-style variables. Unset or empty keys are simply absent (so lower layers can win); a set-but-non-numeric port surfaces as a validation error when the result reaches resolveNetworkConfig.
process.env
Optional
Web bind address.
Web (HTTP) port. 0 = ephemeral (tests).
0
Extract the env layer from
process.env-style variables. Unset or empty keys are simply absent (so lower layers can win); a set-but-non-numeric port surfaces as a validation error when the result reaches resolveNetworkConfig.