Fix broken link to "Deploy services to Google Cloud" (#524)

https://issuetracker.google.com/372425129

custom_dc/index.md

@@ -92,7 +92,7 @@ The cost of running a site on Google Cloud Platform depends on the size of your
 > Note: This section is very important!  If your data is not in the scheme Data Commons expects, it won't load.
 1. If you want to customize the look of the feel of the site, see [Customize the site](/custom_dc/custom_ui.html).
 1. When you have finished testing locally, host your data and code in Google Cloud Platform: first, upload your data to Google Cloud Storage and create a Cloud Run job to load the data into Google Cloud SQL. See [Load data in Google Cloud](/custom_dc/data_cloud.html).
-1. Build a custom image, upload it to the Google Cloud Artifact Registry and create a Cloud Run service to run the site. See [Deploy services to Google Cloud](deploy_cloud.md)
+1. Build a custom image, upload it to the Google Cloud Artifact Registry and create a Cloud Run service to run the site. See [Deploy services to Google Cloud](/custom_dc/deploy_cloud.html)
 1. Launch and productionize your site for external traffic. See [Launch your Data Commons](/custom_dc/launch_cloud.html).
 1. For future updates and launches, continue to make UI and data changes locally, before deploying the changes to GCP.
 
@@ -102,4 +102,4 @@ We use [Google Issue Tracker](https://issuetracker.google.com){: target="_blank"
 
 Before opening a new ticket, please see if an existing [feature request](https://issuetracker.google.com/issues?q=componentid:1659535%2B%20type:feature_request){: target="_blank"} or [bug report](https://issuetracker.google.com/issues?q=componentid:1659535%20-type:feature_request){: target="_blank"} covering your issue has already been filed. If yes, upvote (click the **+1** button ) and [subscribe](https://developers.google.com/issue-tracker/guides/subscribe){: target="_blank"} to it. If not, open a new [feature request](https://issuetracker.google.com/issues/new?component=1659535&template=2053233){: target="_blank"} or [bug report](https://issuetracker.google.com/issues/new?component=1659535&template=2053231){: target="_blank"}.
 
-For any issue you file, make sure to indicate that it affects your Data Commons instance.
+For any issue you file, make sure to indicate that it affects your Data Commons instance.