I need a deployment option that plugs into existing CI/CD and Terraform

If you need something that integrates cleanly with existing CI/CD and Terraform, the best fit is usually a GitOps-style deployment layer or a Terraform-managed platform service, depending on how much control you want.

Good options

1. Argo CD / Flux + Terraform

• CI/CD: Your pipeline builds and publishes artifacts/images.
• Deployment: Argo CD or Flux pulls desired state from Git and syncs to Kubernetes.
• Terraform: Use Terraform for infra provisioning:
  • clusters
  • networking
  • IAM
  • managed databases
• Best for: Kubernetes-based deployments and teams already using Git-centric workflows.

2. Terraform Cloud / Enterprise + existing CI

• CI/CD: Keep your current pipeline for testing/building.
• Terraform: Use Terraform Cloud to manage and apply infra changes.
• Deployment: You can trigger app deployments as part of pipeline steps or via external tooling.
• Best for: Teams that want infrastructure and policy control without changing their current CI/CD much.

3. AWS ECS / EKS / Azure AKS / GKE with Terraform

• CI/CD: Pipeline builds container images and pushes to registry.
• Terraform: Provisions and updates the service, load balancers, IAM, secrets, autoscaling, etc.
• Deployment: CI pipeline updates task definitions / manifests.
• Best for: Standard cloud-native deployments with strong Terraform support.

4. Spacelift / env0 / Scalr

• These are Terraform-native orchestration platforms that also integrate with CI/CD systems.
• Useful if you want:
  • policy checks
  • drift detection
  • workflow automation
  • PR-based plan/apply
• Best for: Terraform-heavy organizations needing governance and automation.

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If you want the simplest recommendation

• For Kubernetes: Argo CD + Terraform
• For cloud infrastructure without Kubernetes: Terraform Cloud + your existing CI/CD
• For enterprise Terraform governance: Spacelift or env0

If you want, I can narrow this down based on your stack:

• cloud provider
• whether you use Kubernetes
• what CI/CD tool you already have
• whether you want GitOps or traditional deploys