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Everything runs from your machine, with AWS credentials for the target account. Each step links to the page with the details.
Running provision yourself requires the infra:provision org scope (no service account or trust needed for local runs), plus your organization id. See Required Synthetiq permissions and check yours with synthetiq whoami.
1

Install and log in

2

Issue the two certificates

Request both ACM certs and add the 2 validation CNAMEs at your DNS provider; wait for ISSUED. See Certificates. (If you skip this, init stops and prints what’s needed.)
3

Create the config

From a git repository:
Discovers your VPC options and issued certificates, writes _infra/synthetiq.yaml. Commit it. See Generating synthetiq.yaml.
4

Preview

Review the changeset file — the exact CloudFormation diff. See Previewing & Applying.
5

Apply

Executes the reviewed change sets (CloudFront takes 15–20 minutes), then prints the 3 app DNS records.
6

Create the app DNS records

Add the 3 printed records at your DNS provider (DNS). Done — deploy apps from the Synthetiq console.
To update later: edit the config (or upgrade the CLI), then generate → review → provision. For production, use the CI walkthrough.