We built a GitHub Action that posts carbon and cost diffs on Terraform PRs.
No AWS credentials required – it parses the plan JSON offline. Emission
factors are in a static JSON file, math is MIT-licensed. AWS-only, EC2/RDS
only for now. Curious what the HN crowd thinks of the methodology approach.
Show HN: Carbon linting for Terraform PRs – open methodology, no credentials | Heykuki News