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Is this just for our ATs with how they work or will users also have to set the
GOOGLE_APPLICATION_CREDENTIALS
environment variable?There was a problem hiding this comment.
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Could just have the AT use the GCP_SERVICE_KEY env variable instead?
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End users, as well as web3signer developers, have to use "Application Default Credentials ADC) to setup authentication. We are using service user approach which uses service user key and GOOGLE_APPLICATION_CREDENTIALS environment variable. https://cloud.google.com/docs/authentication/provide-credentials-adc
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That's not nice. It means we can't use our typical config and env variable approach. And google becomes a special case that is more difficult to use.
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For our ATs it's fine though
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nit: think it would be clearer if GCP_SERVICE_KEY was called GCP_SERVICE_KEY_BASE64