[Feature] Set vars via environment variables

[syucream]

Is this your first time submitting a feature request?

• I have read the expectations for open source contributors
• I have searched the existing issues, and I could not find an existing issue for this feature
• I am requesting a straightforward extension of existing dbt functionality, rather than a Big Idea better suited to a discussion

Describe the feature

Enable to set the vars option via environment variables, DBT_VARS, like DBT_PROFILE, DBT_TARGET

Describe alternatives you've considered

No response

Who will this benefit?

Who have tools execute dbt commands. In my case, I have a wrapper script for dbt cli and IDE extension can execute the commands, and want to have more flexibility.

Are you interested in contributing this feature?

Yes, if the idea looks good

Anything else?

No response

[github-actions]

This issue has been marked as Stale because it has been open for 180 days with no activity. If you would like the issue to remain open, please comment on the issue or else it will be closed in 7 days.

[github-actions]

Although we are closing this issue as stale, it's not gone forever. Issues can be reopened if there is renewed community interest. Just add a comment to notify the maintainers.