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household-bot/docs/runbooks/iac-terraform.md

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# Terraform IaC Runbook
## Purpose
Provision and maintain GCP infrastructure for bot API, mini app, scheduler, and runtime secrets.
## Prerequisites
- Terraform `>= 1.8`
- GCP project with billing enabled
- Local auth:
```bash
gcloud auth application-default login
```
## Bootstrap
```bash
cp infra/terraform/terraform.tfvars.example infra/terraform/terraform.tfvars
terraform -chdir=infra/terraform init
terraform -chdir=infra/terraform plan
terraform -chdir=infra/terraform apply
```
## Quality checks
```bash
bun run infra:fmt:check
bun run infra:validate
```
## Add secret values
After first apply, add secret versions:
```bash
echo -n "<telegram-webhook-secret>" | gcloud secrets versions add telegram-webhook-secret --data-file=- --project <project_id>
echo -n "<scheduler-shared-secret>" | gcloud secrets versions add scheduler-shared-secret --data-file=- --project <project_id>
```
## Environment strategy
- Keep separate states for `dev` and `prod`.
- Prefer separate GCP projects for stronger isolation.
- Keep environment-specific variables in dedicated `*.tfvars` files.
## Destructive operations
Review plan output before apply/destroy:
```bash
terraform -chdir=infra/terraform plan -destroy
terraform -chdir=infra/terraform destroy
```