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GCP Authentication with Jenkins

Cloud/Toolseasy0.2 min read

Reviewed by Aditya Kumar · Last reviewed 2026-03-24

Architectural options: (1) Service account + JSON key in Jenkins credentials. (2) Workload Identity (Jenkins on GKE)—no keys. Flow: Create SA → download JSON → add to Jenkins → use in GCP plugin or gcloud....

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Asked at 1 company
Category
179
questions in Cloud/Tools
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104E|27M|48H
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Expert Answer
48 words

Architectural options: (1) Service account + JSON key in Jenkins credentials. (2) Workload Identity (Jenkins on GKE)—no keys. Flow: Create SA → download JSON → add to Jenkins → use in GCP plugin or gcloud. Best practice: Prefer Workload Identity; restrict SA permissions; rotate keys; separate dev/prod accounts.

⚡
Pro Tip

Red Flag: Committing JSON keys to Git. Pro-Move: 'We use Workload Identity on GKE—Jenkins assumes SA; zero keys; audit via Cloud IAM.'

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