service/static-shim.md

@@ -57,13 +57,18 @@ file looks like this (`build` stage elided for simplicity):
       project: tpo/tpa/ci-templates
       file: static-shim-deploy.yml
 
-Then you also need to set an SSH key in the project. First, generate a
+First, create the `production` deployment environment. Navigate to the
+project's Settings -> Deployments -> Environments and click `New
+environment`. Enter `production` in the `Name` field and the
+production URL in `External URL` (eg. `https://status.torproject.org`)
+
+Next, you need to set an SSH key in the project. First, generate a
 password-less key locally:
 
     ssh-keygen -f id_rsa -P "" -C "static-shim deploy key"
 
-Then in the project's Settings -> CI/CD -> Variables, pick `Add
-variable`, with the following parameters:
+Then in Settings -> CI/CD -> Variables, pick `Add variable`, with the
+following parameters:
 
  * Key: `STATIC_GITLAB_SHIM_SSH_PRIVATE_KEY`
  * Value: the content of the `id_rsa` file, above (yes, it's the