What is FinOps and how to manage cloud costs?

Question

Accepted Answer

**FinOps** — transparency, optimization, automation of cloud costs.

**Three phases:** Inform → Optimize → Operate.

**Practices:**
1. **Tagging:** Environment, Team, CostCenter, Project.
2. **Right-sizing:** AWS Compute Optimizer, Kubecost.
3. **Spot Instances:** up to 90% discount.
4. **Savings Plans:** up to 72% discount.
5. **Auto-shutdown dev/staging.**

**Infracost (Terraform):**
```bash
infracost breakdown --path .
# Current cost: $145.23/month
# aws_instance.web: $12.41/month
# aws_db_instance.main: $132.82/month
```

**Tools:** Kubecost, AWS Cost Explorer, Infracost, CloudHealth.

DevOps: What is FinOps and how to manage cloud costs?