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Deployments

A deployment is a snapshot of all code and environment variables required to run an application. Deployments are immutable after they have been created. To deploy a new version of the code for an application, a new deployment must be created.

Custom domains​

There can also be other URLs that can point to a deployment, like custom domains.

Branch domains​

<projectname--branchname>.deno.dev is also supported.

Production vs. preview deployments​

All deployments have a preview URL that can be used to view this specific deployment. Preview URLs have the format {project_name}-{deployment_id}.deno.dev.

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A deployment can either be a production or a preview deployment. These deployments do not have any differences in runtime functionality. The only distinguishing factor is that a project's production deployment will receive traffic from the project URL (e.g. myproject.deno.dev), and from custom domains in addition to traffic to the deployment's preview URL.

Promoting preview deployments to production deployments via Deno Deploy UI​

Preview deployments can be "promoted" to production via the Deno Deploy UI:

  1. Navigate to the project page.
  2. Click on the Deployments tab.
  3. Click on the three dots next to the deployment you want to promote to production and select Promote to Productionpromote_to_production

Creating production deployments via deployctl​

If you are deploying your Deno code with deployctl, you can deploy to production with the --prod flag:

deployctl deploy --prod --project=helloworld main.ts