sections: publish:publish-cloud-run

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id	page	ref	title	content	breadcrumbs	references
publish:publish-cloud-run	publish	publish-cloud-run	Publishing to Google Cloud Run	Google Cloud Run allows you to publish data in a scale-to-zero environment, so your application will start running when the first request is received and will shut down again when traffic ceases. This means you only pay for time spent serving traffic. Cloud Run is a great option for inexpensively hosting small, low traffic projects - but costs can add up for projects that serve a lot of requests. Be particularly careful if your project has tables with large numbers of rows. Search engine crawlers that index a page for every row could result in a high bill. The datasette-block-robots plugin can be used to request search engine crawlers omit crawling your site, which can help avoid this issue. You will first need to install and configure the Google Cloud CLI tools by following these instructions . You can then publish one or more SQLite database files to Google Cloud Run using the following command: datasette publish cloudrun mydatabase.db --service=my-database A Cloud Run service is a single hosted application. The service name you specify will be used as part of the Cloud Run URL. If you deploy to a service name that you have used in the past your new deployment will replace the previous one. If you omit the --service option you will be asked to pick a service name interactively during the deploy. You may need to interact with prompts from the tool. Many of the prompts ask for values that can be set as properties for the Google Cloud SDK if you want to avoid the prompts. For example, the default region for the deployed instance can be set using the command: gcloud config set run/region us-central1 You should replace us-central1 with your desired region . Alternately, you can specify the region by setting the CLOUDSDK_RUN_REGION environment variable. Once it has finished it will output a URL like this one: Service [my-service] revision [my-service-00001] has been deployed and is serving traffic at https://my-service-j7hipcg4aq-uc.a.run.app Cloud Run provides a URL on the .run.app domain, but you can also point your own domain or subdomain at your Cloud Run service - see mapping custom domains in the Cloud Run documentation for details. See datasette publish cloudrun for the full list of options for this command.	["Publishing data", "datasette publish"]	[{"href": "https://cloud.google.com/run/", "label": "Google Cloud Run"}, {"href": "https://datasette.io/plugins/datasette-block-robots", "label": "datasette-block-robots"}, {"href": "https://cloud.google.com/sdk/", "label": "these instructions"}, {"href": "https://cloud.google.com/sdk/docs/properties", "label": "set as properties for the Google Cloud SDK"}, {"href": "https://cloud.google.com/about/locations", "label": "region"}, {"href": "https://cloud.google.com/run/docs/mapping-custom-domains", "label": "mapping custom domains"}]