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Stavros Foteinopoulos

PROFILE

Stavros Foteinopoulos

Stathis Fotinos engineered robust Helm chart enhancements and backend integrations across the grafana/helm-charts and grafana/pyroscope repositories, focusing on deployment stability and automation. He introduced PodDisruptionBudget controls, custom labeling, and ingress automation to streamline Kubernetes operations, leveraging Helm, Kubernetes, and YAML for configuration management. In the lichess-org/berserk repository, he expanded Python API coverage with new endpoints and type-safe data modeling, ensuring maintainable code through comprehensive testing and documentation. Stathis also automated Docker image builds for Aryakoste/mattermost using GitHub Actions and Docker, improving CI/CD reliability. His work demonstrated depth in DevOps, chart management, and backend development for scalable systems.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

14Total
Bugs
0
Commits
14
Features
9
Lines of code
660
Activity Months6

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025: Delivered key Helm chart enhancements for Pyroscope to improve ingress automation and DNS management, enabling external DNS integration and customizable ingress resources. Upgraded the chart to 1.15.0 and extended values.yaml and the ingress template to support external DNS services. Consolidated configuration to reduce manual steps and improve deployment consistency across environments. This work provides clearer deployment patterns for multi-tenant setups and aligns with ops-focused automation.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025: Focused on CI/CD automation for the Golang build server in Aryakoste/mattermost. Key feature delivered: automated Docker image build and publish workflow. No major bugs fixed this period. Overall impact: improved release velocity, reproducibility, and security of image distribution. Tech stack demonstrated: GitHub Actions, Docker, DockerHub auth, manual trigger driven builds. Business value: faster, safer deployments with versioned images.

May 2025

4 Commits • 2 Features

May 1, 2025

May 2025 performance summary focusing on two high-impact domains: stability/maintainability of Grafana Helm charts and expanded API coverage for the Lichess Berserk Python client. The work delivered concrete, business-value features with solid test coverage and clear code quality improvements.

April 2025

1 Commits • 1 Features

Apr 1, 2025

In April 2025, delivered targeted updates to the Loki distributed Helm chart in grafana/helm-charts, improving release clarity and compatibility for users. Completed a version bump to 0.80.4 and updated the README badge to display the new chart version. No major bugs fixed in this repository this month. The work enhances deployment reliability and reduces user confusion for Helm chart upgrades.

March 2025

3 Commits • 2 Features

Mar 1, 2025

March 2025: Delivered key enhancements for grafana/helm-charts, focusing on Loki deployments. Released Loki Helm chart 0.80.2 with a chart version bump and README updates to reflect the new version. Implemented custom labels support for Loki distributed Helm chart, enabling per-resource labels on ingresses/services and applying commonLabels globally for consistent resource labeling. These changes streamline deployments, improve observability, and reduce manual configuration in multi-environment setups.

January 2025

4 Commits • 2 Features

Jan 1, 2025

January 2025: Grafana/helm-charts delivered reliability enhancements for Loki distributed Helm chart and documentation improvements. Implemented minAvailable PodDisruptionBudget across components to reduce disruption during maintenance; enhanced docs tooling and clarified PVC persistence defaults. No major bugs fixed this month. Impact: higher cluster stability during upgrades, easier adoption via clearer options, and improved operational transparency. Technologies demonstrated: Kubernetes resilience practices, Helm chart customization, Loki architecture, and documentation tooling with commit traceability.

Activity

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Quality Metrics

Correctness90.0%
Maintainability92.8%
Architecture88.6%
Performance85.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

MarkdownPythonTypeScriptYAMLyaml

Technical Skills

API IntegrationBackend DevelopmentCI/CDChart ManagementData ModelingDevOpsDockerDocumentationGitHub ActionsHelmHelm ChartsKubernetesPythonTestingType Hinting

Repositories Contributed To

4 repos

Overview of all repositories you've contributed to across your timeline

grafana/helm-charts

Jan 2025 May 2025
4 Months active

Languages Used

YAMLMarkdownyaml

Technical Skills

CI/CDDevOpsDocumentationHelmKubernetesHelm Charts

lichess-org/berserk

May 2025 May 2025
1 Month active

Languages Used

PythonTypeScriptYAML

Technical Skills

API IntegrationBackend DevelopmentData ModelingPythonTestingType Hinting

Aryakoste/mattermost

Jun 2025 Jun 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDDockerGitHub Actions

grafana/pyroscope

Sep 2025 Sep 2025
1 Month active

Languages Used

YAML

Technical Skills

HelmKubernetes

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