Project Name
Migrating From Jenkins to ArgoCD: A Fintech's Path to Modern GitOps Delivery
A Series C fintech company operating payment infrastructure for enterprise financial institutions ran 18 microservices on Kubernetes, deployed through Jenkins pipelines that had accumulated years of compliance debt: Groovy DSL scripts with hardcoded cluster credentials, kubectl commands with no peer review, and hotfixes applied directly to pods with no documentation anywhere. When the compliance team began preparing for a SOC 2 Type II audit and asked engineering to produce 12 months of deployment records, showing who deployed what, when, to which cluster, with whose approval, the honest answer was that the records simply didn’t exist. Ksolves was trusted as a Kubernetes migration partner to design and execute an eight-week phased migration from Jenkins to ArgoCD, restructuring every application manifest into a GitOps-native repository with a PR-based approval workflow. Deployment-related incidents dropped by 40%, and the compliance team passed its SOC 2 audit on the first attempt.
- No Deployment Audit Trail for SOC 2 and Regulatory Compliance: Jenkins build logs recorded that a pipeline ran, not what Kubernetes resources changed or who approved the deployment, leaving the compliance team unable to produce a single deployment record satisfying SOC 2 CC6.8 for the preceding 12 months.
- Shared Cluster-Admin Credentials Reducing Individual Accountability: All deployments executed under a shared Jenkins service account with cluster-admin permissions, so there was no way to attribute an unauthorized or erroneous deployment to a specific engineer.
- No Approval Workflow for Production Deployments: Jenkins pipelines deployed to production automatically on merge to main, so any engineer could push to the payment infrastructure cluster with no mandatory review by a lead or compliance representative.
- Configuration Drift Between Git and Cluster State Going Undetected: Engineers regularly applied hotfixes directly to Kubernetes resources with no corresponding Git commit, and the compliance environment, which needed to exactly mirror production, had accumulated 22 undocumented divergences.
- Brittle Groovy DSL Scripts Creating Operational Fragility: Deployment pipelines had no unit testing and strong coupling to Jenkins-specific plugin APIs, so a single failed plugin upgrade once broke three production pipelines simultaneously and caused a 6-hour release freeze.
- No Rollback Mechanism Beyond Manual Intervention: Rolling back a failed deployment required a cluster-access engineer to manually reconstruct a Helm command, averaging 35 minutes and, in two incidents complicated by concurrent drift, extending past 90 minutes.
Ksolves was trusted as a Kubernetes migration partner to design a three-phase migration that kept continuous delivery running throughout; at no point was the engineering team's ability to ship to staging or production interrupted.
- Phase 1 (Weeks 1-3): Manifest repository design, Kustomize overlay structure per environment, ArgoCD installation with OIDC SSO and RBAC, and staging Applications deployed and verified for all 18 services, while Jenkins continued deploying production unchanged.
- Phase 2 (Weeks 4-6): Jenkins deployment stages were replaced with an image-tag PR workflow, Jenkins and ArgoCD ran in a shadow deployment to staging in parallel, all 22 compliance environment drift items got remediated, and Jenkins cluster-admin credentials were scoped down to CI only.
- Phase 3 (Weeks 7-8): Production cutover to ArgoCD went live, the approval workflow was enforced for all production changes, Jenkins kubectl access was revoked and credentials rotated, self-heal was enabled, and the compliance team verified the audit trail directly.
- PR-Based Approval Workflow for Production Changes: Every production manifest change now requires two PR approvals, one from an engineering lead and one from a compliance representative, enforced by GitHub branch protection so no production deployment happens without both sign-offs.
- ArgoCD OIDC SSO and Individual Identity Enforcement: Every engineer now has a named identity in the ArgoCD audit log, so every production change carries three layers of individual identity, the PR author, the approvers, and the authenticated user who triggered any manual sync.
Technology Stack
| Category | Technology |
|---|---|
| GitOps CD | ArgoCD |
| Manifest Layer | Kustomize + GitHub Manifests Repo |
| CI Pipeline | Jenkins (CI only) |
| Approval Workflow | GitHub PR + Branch Protection |
| Authentication | GitHub OIDC + ArgoCD RBAC |
| Compliance | ArgoCD Audit Log + Sync History |
- 40% Reduction in Deployment-Related Incidents: Declarative sync eliminated pipeline script failures, self-heal prevents drift accumulation, and sub-5-minute Git-based rollback brought average incidents down from 8 to 5 per month.
- Full SOC 2 CC6.8 Compliance Audit Trail Established: Every production deployment is now a merged GitHub PR with author and approver identities, timestamps, and an ArgoCD sync record, letting the compliance team produce a complete 90-day evidence pack within 2 hours of the auditor's request.
- 22 Compliance Environment Drift Items Remediated: All 22 divergences were resolved via PR and committed to the manifests repository, and self-heal now prevents any future divergence from recurring.
- Rollback Time Reduced From 35 Minutes to Under 5: Rollback is now a Git revert plus PR merge, tested at 3-4 minutes post-go-live, with an emergency break-glass path taking under 90 seconds.
- Jenkins Cluster Credentials Eliminated: Jenkins cluster-admin access is fully revoked, with all Kubernetes API access belonging exclusively to ArgoCD, enforcing separation of duties at the credential level rather than by convention alone.
- Zero Unreviewed Production Changes Since Go-Live: Every production manifest change now requires approval from both an engineering lead and a compliance representative before ArgoCD applies it.
“Our compliance team went into the SOC 2 audit with complete confidence for the first time. Every production deployment for the past three months had a PR, two named approvers, a timestamp, and an ArgoCD sync record, the auditors had no findings on our change management controls.”
– CTO, Fintech
This fintech’s deployment pipeline ran on shared cluster-admin credentials with no approval workflow and no audit trail, and when compliance needed 12 months of deployment records for a SOC 2 audit, those records simply didn’t exist. Ksolves was trusted as a Kubernetes migration partnerto build a GitOps architecture with ArgoCD managing all 18 microservices from a Kustomize manifests repository, PR-based approval enforced for every production change, and individual identity via OIDC SSO throughout.
Deployment-related incidents dropped 40%, the SOC 2 CC6.8 audit passed on the first attempt, and rollback time fell from 35 minutes to under 5. Jenkins kept its role as the CI engine but lost every ounce of cluster access, cementing separation of duties at the infrastructure level rather than leaving it to convention.
The migration establishes a compliance-native delivery foundation that scales with the organization; new microservices inherit the GitOps model and audit trail from their first deployment instead of accumulating compliance debt the way the old pipeline did.
Does Your Jenkins Pipeline Have Deployment Audit Trails Your Compliance Team Can Actually Use for a SOC 2 or PCI-DSS Audit?
