Open source alternative to HashiCorp Terraform Cloud, Spacelift and Scalr
Last verified
Digger is an open source CI/CD orchestrator for Terraform and OpenTofu that runs infrastructure workflows inside GitHub Actions or GitLab CI without a dedicated Terraform Cloud instance. Apache-2.0 licensed.
Use Digger when Terraform or OpenTofu should run through pull requests and existing CI rather than a managed IaC service.
You want a turnkey hosted platform with vendor-managed state, policy, and support.
Use Digger when infrastructure changes need consistent plan and apply steps without building a custom CI pipeline from scratch.
Your infrastructure is small enough that manual applies are still acceptable and low risk.
Terraform workflows need review, locking, plans, applies, drift handling, and auditability. Managed platforms solve that, but they can move infrastructure operations into another paid control plane and away from the CI systems teams already trust.
Without orchestration, teams run ad hoc Terraform commands or fragile CI scripts. That creates race conditions, unclear approval paths, and poor visibility into who changed infrastructure.
Digger runs plan and apply workflows around code review, so infrastructure changes stay tied to the same PR process engineering teams already use.
Digger is designed to work with existing CI rather than forcing all Terraform operations into a separate managed platform.
The project targets infrastructure-as-code workflows around Terraform-compatible tooling, including OpenTofu use cases.
Digger is an infrastructure-as-code orchestration tool for running Terraform and OpenTofu workflows through CI and pull requests.
Yes. Digger can replace parts of Terraform Cloud for teams that want CI-native plan and apply workflows.
No. Digger works with CI, so teams still need safe runners, credentials, state handling, and approval rules.
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