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Sergey Vlasov

PROFILE

Sergey Vlasov

Worked extensively on the 2gis/on-premise-helm-charts repository, delivering features and fixes that enhanced deployment reliability, configuration flexibility, and release automation for on-premise environments. Focus areas included Helm chart upgrades, CI/CD workflow improvements using GitHub Actions, and configuration management for services like the Tiles API and Stat Receiver. Leveraged Bash scripting, YAML, and Helm to automate releases, propagate version updates, and address deployment misconfigurations. Addressed security compliance by updating TLS parameters and provided migration guidance for breaking changes. Maintained thorough documentation and traceability, ensuring that upgrades and fixes reduced deployment drift, improved operator experience, and supported consistent, maintainable on-premise deployments.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

14Total
Bugs
3
Commits
14
Features
8
Lines of code
683
Activity Months9

Your Network

81 people

Same Organization

@2gis.ru
24
Artem MalkoMember
andrew.mikhaylovMember
Сентябов Александр СергеевичMember
AlexseyShaforostovMember
Andrew KazakovMember
dbelyaev-nskMember
Кузичев Дмитрий АлександровичMember
Dmitry MilovMember
Navi DevOpsMember

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

Month: 2026-05 — This period focused on expanding Tiles API capabilities within the on-premise Helm charts suite and tightening configuration for on-prem deployments. Key delivery centered on enabling native-v4 tile types in the Tiles API, improving tile-generation flexibility, and aligning the Helm charts with the updated API features.

November 2025

1 Commits • 1 Features

Nov 1, 2025

November 2025 monthly summary for 2gis/on-premise-helm-charts. Delivered a security-aligned TLS configuration change for the Tiles API by renaming the parameter from cassandra.ssl to cassandra.tls, a breaking change that requires users to update their configurations. The change enhances security protocol compliance and provides a clearer, future-proof TLS configuration. Coordinated with release notes and migration guidance to minimize disruption and improve adoption across on-prem deployments.

September 2025

1 Commits

Sep 1, 2025

2025-09 monthly summary: Delivered a targeted bug fix in the on-premise Helm charts to correct Navi-back emergency handling. Removed the default emergency: false in values.yaml and set simpleNetwork to an empty object, eliminating a misconfiguration that could impact deployment behavior. This work was implemented in commit f6d4a44dd1714eca91e5fadf3a562c59333ff69e (#775).

August 2025

2 Commits • 1 Features

Aug 1, 2025

August 2025: Delivered a critical upgrade and release cycle for the 2gis/on-premise-helm-charts repository, focusing on Docker image dependency upgrades and On-Prem Helm Charts release. The work improves deployment reliability and simplifies customer upgrades by aligning with the latest component versions and providing clear release tagging.

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025 monthly summary: Delivered a targeted upgrade of the Tiles API across the on-premise-helm-charts deployment to the latest specified version, propagating changes across the proxy and image tag and across multiple configuration files to maintain consistency. This work reduces deployment drift, enables access to the latest Tiles API features and fixes, and lays groundwork for future platform enhancements.

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary for 2gis/on-premise-helm-charts focused on delivering a streamlined release workflow and maintaining documentation quality. Key changes implemented a release automation upgrade and minor documentation fixes, with strong emphasis on business value and reliability.

March 2025

4 Commits • 2 Features

Mar 1, 2025

In March 2025, delivered a unified release workflow for the 2GIS on-premise Helm charts, consolidating release steps into GitHub Actions to automate release, packaging, and index updates for the 1.37.0 rollout across multiple services. Implemented automated release schedule notifications to surface the next release date and candidate start dates, improving visibility and planning. Fixed a Release action bug to stabilize the automation and reduce manual intervention. These changes enabled faster, more reliable deployments with consistent cross-service behavior. Demonstrated strong CI/CD practice through GitHub Actions, Helm chart management, and release governance, delivering clear business value: quicker time-to-market for chart updates, reduced release risk, and better planning signals.

February 2025

1 Commits

Feb 1, 2025

February 2025 monthly highlights centered on stabilizing on-premise Helm deployments for the Asset Importer. The primary focus was a bug fix in deployment configuration connection strings that previously referenced an incorrect template include path, which caused misconfigured database connection parameters in Helm charts.

November 2024

1 Commits • 1 Features

Nov 1, 2024

Month: 2024-11 Summary: Focused on improving deploy-time configurability and maintainability of the Stat Receiver Helm chart for on-prem deployments. Delivered configuration enhancements, updated documentation, and demonstrated strong adherence to the project style guide. No major bug fixes reported this month; progress aligns with business objectives of safer deployments, easier operator configuration, and improved observability.

Activity

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Quality Metrics

Correctness88.6%
Maintainability90.0%
Architecture85.8%
Performance84.2%
AI Usage21.4%

Skills & Technologies

Programming Languages

BashDockerfileHOCONMarkdownShellXMLYAMLbashyaml

Technical Skills

Bash ScriptingCI/CDConfiguration ManagementDevOpsDocumentationGitHub ActionsHelmHelm ChartsKubernetesRelease ManagementShell Scriptingconfiguration managementdocumentation

Repositories Contributed To

1 repo

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

2gis/on-premise-helm-charts

Nov 2024 May 2026
9 Months active

Languages Used

HOCONXMLYAMLBashShellMarkdownbashyaml

Technical Skills

Configuration ManagementHelmDevOpsBash ScriptingCI/CDGitHub Actions