Month: 2026-05. Focused on platform modernization, reliability, and security. Delivered domain migration with seamless OAuth callback, improved Kubernetes patching reliability, migrated monitoring to Google Managed Prometheus, moved JupyterHub access to GKE Ingress with Google-managed certificates, and applied security hardening to JupyterHub. Also completed targeted cleanups and decommissioning to reduce operational surface area and maintenance burden.

April 2026 monthly summary for cal-itp/data-infra: Delivered reliability, observability, and cost-efficiency improvements across core data-infra components. Key features delivered include migrating Metabase from Kubernetes to Cloud Run and removing obsolete deployments (Kubernetes Metabase chart/values and CI entries) and decommissioning the Dask hub; expanded reliability for Kafka, Redis, and Prometheus; GTFS-RT archiver monitoring migrated to Google Managed Prometheus (GMP) with PodMonitoring and new dashboards/log metrics; production spin-down of in-cluster GTFS-RT archiver replicas; and JupyterHub infra enhancements with a GKE Ingress, Google-managed TLS, and HTTP-to-HTTPS redirects for secure, long-running notebook sessions. These efforts collectively reduce operational debt, improve stability during WAL replay, and strengthen security and observability for developer workloads and data pipelines.

March 2026 monthly summary for cal-itp/data-infra focusing on reliability, portability, and deployment hygiene. Key outcomes delivered include enhanced PostgreSQL backup portability with an explicit Metabase restoration runbook, and an updated Sentry Helm chart deployment configuration for Zookeeper to improve compatibility and potential performance. Business value centers on faster disaster recovery, reduced restore complexity, and more stable Kubernetes deployments. Technologies demonstrated include Kubernetes (k8s) improvements, Helm chart maintenance, Docker image management, PostgreSQL backup/restore processes, and operational documentation.

January 2026 monthly summary for cal-itp/data-infra. Key outcomes include delivering a JupyterHub image upgrade with an accompanying pre-merge validation CI, and a critical fix to the Sentry StatefulSet storage configuration to honor immutable volumeClaimTemplates. These efforts improved deployment reliability, reduced risk of misconfigured images, and accelerated safe feature rollouts. The work demonstrates strong CI/CD discipline, Kubernetes/container orchestration, and robust image management.

July 2025 monthly summary focusing on delivering targeted improvements in documentation and CI tooling across two repositories to enhance onboarding, reduce deployment friction, and improve operational consistency. Key features delivered: Azure SSO deployment documentation updates for OpenMetadata, clarifying OIDC enablement, tenant ID handling, and required scopes for Kubernetes deployments. Major CI/CD improvement: migrating hologit installation to npm in GitHub Actions for cal-itp/data-infra, simplifying setup in deployment and preview environments while preserving git identity. No critical bugs fixed this month; primary value lies in improved clarity and streamlined tooling. Technologies/skills demonstrated include Kubernetes, Azure Active Directory / OIDC, GitHub Actions, npm tooling, and cross-repo collaboration. Business value delivered through faster onboarding, more maintainable docs, and consistent tooling across environments.