gcloud CLI
Install gcloud command to interact with Google Cloud Platform from the command line.
Cloud Shell
Cloud Shell already has the gcloud CLI pre-installed, so you can skip ahead to configure default zone and region.
Jump to the last section to configure default zone and region so you do not need to repeatedly specify it.
Local Installation
To install the gcloud CLI on your local machine, follow the official installation guide for your platform and then follow the below steps to finish configuration.
If you are using Cloud Shell, jump to the last section to configure default zone and region so you do not need to repeatedly specify it.
Authenticate
Authenticate gcloud so that it can interact with Google Cloud Platform using your account.
This authenticated gcloud so that you can run all the commands.
Project ID
Set the default Project ID to your project.
If you already have a project, run gcloud projects list to list available projects. Find one and then set it as a default project.
Application Default Credentials
In addition to authenticating gcloud, also authenticate Application Default Credentials (ADC). ADC is used by your application/microservices during local development to authenticate with cloud services.
Quota Project
API calls to Google Cloud may be rate limited and subject to quotas. The quotas are typically tied to a Google Cloud Project. When you are running the application locally, and using the Application Default Credentials, the requests need to be associated with a project to account for usage quota. Typically, the Quota Project should be the same as the project that you are currently working with. In a larger organization, it can be a Project that's used for development purposes and not the production project.
When configuring the Application Default Credentials the first time, It will also configure a Quota Project to be the same as the default project you previously configured.
If needed, you can configure a different Quota Project:
Application Default Credentials are used by client libraries when making calls to Google Cloud. This is different from the first gcloud Authenticate, which is for gcloud to make calls to Google Cloud.
This will store the credential (OAuth refresh token) in a well-known location, such as ~/.config/gcloud/application_default_credentials.json. Google Cloud client libraries can automatically detect this file and use this credential.
Default Zone and Region
A cloud resource can be Zonal, Regional, or Multi-Regional. For example, a VM is Zonal, because it can only live in a single availability zone. App Engine service is regional, because it's automatically distributed across multiple zones within a single Region. Cloud Storage can store your data in a Regional bucket, or a Multi-Regional bucket.
You can always specify the zone or region with each of the gcloud command. If you primarily operate within a single zone or region, set the default zone and default region.
See the complete list in Regions and Zones documentation.
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