.TH "GCLOUD_SPANNER_SAMPLES_BACKEND" 1



.SH "NAME"
.HP
gcloud spanner samples backend \- run the backend gRPC service for the given Cloud Spanner sample app



.SH "SYNOPSIS"
.HP
\f5gcloud spanner samples backend\fR \fIAPPNAME\fR \fB\-\-instance\-id\fR=\fIINSTANCE_ID\fR [\fB\-\-database\-id\fR=\fIDATABASE_ID\fR] [\fB\-\-duration\fR=\fIDURATION\fR;\ default="1h"] [\fB\-\-port\fR=\fIPORT\fR] [\fIGCLOUD_WIDE_FLAG\ ...\fR]



.SH "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:

.RS 2m
$ gcloud spanner samples init APPNAME \-\-instance\-id=INSTANCE_ID
.RE

After starting the service, generate traffic with:

.RS 2m
$ gcloud spanner samples workload APPNAME
.RE

To run all three steps together, use:

.RS 2m
$ gcloud spanner samples run APPNAME \-\-instance\-id=INSTANCE_ID
.RE



.SH "EXAMPLES"

To run the backend gRPC service for the 'finance' sample app using instance
\'my\-instance', run:

.RS 2m
$ gcloud spanner samples backend finance \-\-instance\-id=my\-instance
.RE



.SH "POSITIONAL ARGUMENTS"

.RS 2m
.TP 2m
\fIAPPNAME\fR

The sample app name, e.g. "finance".


.RE
.sp

.SH "REQUIRED FLAGS"

.RS 2m
.TP 2m
\fB\-\-instance\-id\fR=\fIINSTANCE_ID\fR

The Cloud Spanner instance ID for the sample app.


.RE
.sp

.SH "OPTIONAL FLAGS"

.RS 2m
.TP 2m
\fB\-\-database\-id\fR=\fIDATABASE_ID\fR

The Cloud Spanner database ID for the sample app.

.TP 2m
\fB\-\-duration\fR=\fIDURATION\fR; default="1h"

Duration of time allowed to run before stopping the service.

.TP 2m
\fB\-\-port\fR=\fIPORT\fR

Port on which to receive gRPC requests.


.RE
.sp

.SH "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 \fB$ gcloud help\fR for details.



.SH "NOTES"

These variants are also available:

.RS 2m
$ gcloud alpha spanner samples backend
.RE

.RS 2m
$ gcloud beta spanner samples backend
.RE