gcloud spanner samples backend

NAME
gcloud spanner samples backend - run the backend gRPC service for the given Cloud Spanner sample app
SYNOPSIS
gcloud spanner samples backendAPPNAME--instance-id=INSTANCE_ID[--database-id=DATABASE_ID][--duration=DURATION; default="1h"][--port=PORT][GCLOUD_WIDE_FLAG …]
DESCRIPTION
This command starts the backend gRPC service for the given sample application.Before starting the service, create the database and load any initial data with:
gcloudspannersamplesinitAPPNAME--instance-id=INSTANCE_ID

After starting the service, generate traffic with:

gcloudspannersamplesworkloadAPPNAME

To run all three steps together, use:

gcloudspannersamplesrunAPPNAME--instance-id=INSTANCE_ID
EXAMPLES
To run the backend gRPC service for the 'finance' sample app using instance'my-instance', run:
gcloudspannersamplesbackendfinance--instance-id=my-instance
POSITIONAL ARGUMENTS
APPNAME
The sample app name, e.g. "finance".
REQUIRED FLAGS
--instance-id=INSTANCE_ID
The Cloud Spanner instance ID for the sample app.
OPTIONAL FLAGS
--database-id=DATABASE_ID
The Cloud Spanner database ID for the sample app.
--duration=DURATION; default="1h"
Duration of time allowed to run before stopping the service.
--port=PORT
Port on which to receive gRPC requests.
GCLOUD WIDE FLAGS
These flags are available to all commands:--access-token-file,--account,--billing-project,--configuration,--flags-file,--flatten,--format,--help,--impersonate-service-account,--log-http,--project,--quiet,--trace-token,--user-output-enabled,--verbosity.

Run$gcloud help for details.

NOTES
These variants are also available:
gcloudalphaspannersamplesbackend
gcloudbetaspannersamplesbackend

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Last updated 2026-02-18 UTC.