Resource Orchestration Service (ROS) is an Infrastructure as Code (IaC) service that provisions and manages your Alibaba Cloud resources through templates. ROS is free to use—you only pay for the cloud resources it provisions.
With ROS, you can:
Deploy entire environments from a single template, eliminating manual resource configuration.
Scale resources up or down automatically as demand changes, without rewriting infrastructure definitions.
Manage Terraform templates and stacks in ROS at no extra cost, with native ROS features like price inquiries and risk detection.
Apply cloud architecture best practices by deploying from curated Public Templates.
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Enforce compliance by reviewing infrastructure changes as code before they reach production.
Improved deployment efficiency
Setting up a production environment manually—creating compute instances, configuring networking, wiring up databases—can take hours and introduce configuration drift between environments. With ROS, you define the entire environment in a template once and deploy it consistently to any zone or account. Promoting from development to test to production becomes a repeatable, one-step operation rather than a manual checklist.
Free Terraform management
ROS manages Terraform templates and stacks at no additional charge. Create Terraform templates in ROS to orchestrate resources across Alibaba Cloud, Amazon Web Services (AWS), and Microsoft Azure from a single control plane. Unlike the Terraform CLI, Terraform managed in ROS supports native ROS features: price inquiries, risk detection, template sharing, stack groups, and resource scenarios.
Architecture optimization with Public Templates
Starting a cloud migration from scratch requires deep familiarity with architecture patterns across dozens of services. ROS surfaces proven migration architectures—distilled from large-scale customer deployments—as ready-to-use templates in the Public Templates module. Deploy or customize these templates in a few steps to adopt a well-architected foundation without building from zero.
Cost-effectiveness
ROS itself is free. When you provision resources through ROS templates, you pay only for those cloud resources using the pay-as-you-go pricing model. ROS reduces cost through automation: it scales resources to match demand and deletes stacks cleanly when environments are no longer needed, so you avoid paying for idle infrastructure.
Compliance control
When infrastructure is defined as code, every change is reviewable. Before deploying a template update, ROS lets you inspect exactly what will change—catching high-risk modifications, such as resource replacements that would cause data loss, before they reach production. Integrating continuous integration and continuous delivery (CI/CD) practices into template management gives your organization a consistent, auditable path from infrastructure change to deployment.