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docs: add GCP backend authentication guide#493

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agentgateway:mainfrom
Roniscend:gcp
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docs: add GCP backend authentication guide#493
Roniscend wants to merge 1 commit into
agentgateway:mainfrom
Roniscend:gcp

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Adds documentation for GCP backend authentication using explicit credentials in both Kubernetes and standalone deployments
Fixes: #462

Copilot AI review requested due to automatic review settings May 11, 2026 09:08

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Pull request overview

Adds documentation for GCP backend authentication using explicit credentials for both standalone configuration and Kubernetes (Secret-based) deployments, addressing Issue #462.

Changes:

  • Documented standalone backendAuth.gcp.credential configuration using a credentials file or inline JSON.
  • Added new Kubernetes docs pages for “GCP backend authentication” (main/latest) that reuse a shared guide.
  • Introduced a shared Kubernetes guide describing storing ADC JSON in a Secret and referencing it from an AgentgatewayPolicy.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file
File Description
content/docs/standalone/main/configuration/security/backend-authn.md Adds standalone examples for explicit GCP ADC credentials (file + inline).
content/docs/standalone/latest/configuration/security/backend-authn.md Same as above for the latest standalone docs track.
content/docs/kubernetes/main/security/backend-authn-gcp.md Adds a Kubernetes “GCP backend authentication” page that reuses the shared guide.
content/docs/kubernetes/latest/security/backend-authn-gcp.md Same as above for the latest Kubernetes docs track.
assets/agw-docs/pages/security/backend-authn-gcp.md New shared guide describing Secret creation and AgentgatewayPolicy configuration for GCP backend auth.

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Comment thread content/docs/standalone/main/configuration/security/backend-authn.md Outdated
Comment thread content/docs/standalone/latest/configuration/security/backend-authn.md Outdated
Comment thread assets/agw-docs/pages/security/backend-authn-gcp.md Outdated

@artberger artberger left a comment

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Thanks for opening this PR, I left some suggestions.

Comment thread assets/agw-docs/pages/security/backend-authn-gcp.md
Comment thread assets/agw-docs/pages/security/backend-authn-gcp.md Outdated
Comment thread assets/agw-docs/pages/security/backend-authn-gcp.md Outdated
Comment thread assets/agw-docs/pages/security/backend-authn-gcp.md Outdated
Comment thread assets/agw-docs/pages/security/backend-authn-gcp.md Outdated
@Roniscend

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@artberger Thanks for the review ,I'll update the pr

@Roniscend Roniscend force-pushed the gcp branch 3 times, most recently from 6b18273 to b67fd98 Compare June 13, 2026 19:09
Signed-off-by: Owm <owmdubey163@gmail.com>
@Roniscend

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@artberger I have updated the pr can you re review it

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Docs for explicit GCP creds

3 participants