Tenki Blog

This is where our engineers and team share product updates, in-depth breakdowns, and insights on all things Tenki — plus the stories and moments that have shaped our journey.

Diagram illustrating the difference between pull request review and CI systems, showing how code review and automated testing workflows operate separately.

Marina RivosecchiMar 20, 2026

PR Review and CI Are Two Different Systems

Code QualityAI Code Review+29 min read

Guide on auditing changes when ubuntu-latest updates to Ubuntu 24.04 in CI environments

Hayssem Vazquez-ElsayedMar 13, 2026

ubuntu-latest is Ubuntu 24.04: What to Audit

GitHub ActionsCI/CD+38 min read

Explanation of GitHub agentic workflows and how autonomous agents automate development tasks

Marina RivosecchiMar 11, 2026

GitHub Agentic Workflows Explained

12 min read

Guide to optimizing monorepo CI with GitHub Actions using selective builds for efficiency

Eddie WangMar 06, 2026

Monorepo CI with GitHub Actions: Selective Builds Done Right

GitHub ActionsCI/CD+49 min read

Visual guide on GitHub Actions cost optimization, showing strategies to reduce billable CI/CD minutes by 40–70%.

Eddie WangMar 04, 2026

GitHub Actions Cost Optimization: Cut Your Billable Minutes by 40–70%

GitHub ActionsCost Optimization+112 min read

Overview of GitHub Actions artifact attestations, SLSA provenance, and supply chain security defaults

Hayssem Vazquez-ElsayedFeb 27, 2026

GitHub Actions Artifact Attestations: SLSA Provenance and Supply Chain Defaults

GitHub ActionsSecurity+311 min read

Diagram showing GitHub Actions using OIDC with custom properties to enable attribute-based access control (ABAC) for secure cloud resource access.

Eddie WangFeb 25, 2026

GitHub Merge Queue in 2026: How It Works & Handling Flaky Required Status Checks

GitHub ActionsCI/CD+112 min read

Guide on securing GitHub Actions by locking down GITHUB_TOKEN permissions

Hayssem Vazquez-ElsayedFeb 22, 2026

GitHub Actions Permissions: Lock Down GITHUB_TOKEN

GitHub Actions SecurityGITHUB_TOKEN+19 min read

Illustration showing how AI reduces the cost of writing code but human judgment in reviewing it doesn’t scale

Marina RivosecchiFeb 21, 2026

AI Made Writing Code Cheap. Judgment Didn't Scale.

AI Code ReviewCode Quality+19 min read

Guide to creating custom GitHub Actions using JavaScript, Docker, and composite actions

Eddie WangFeb 20, 2026

Custom GitHub Actions: JavaScript, Docker, and Composite

GitHub ActionsCI/CD+211 min read

Guide showing how to build and push Docker images using GitHub Actions workflows

Eddie WangFeb 18, 2026

Build and Push Docker Images with GitHub Actions

GitHub ActionsCI/CD+69 min read

Guide showing how to automate software releases using GitHub Actions

Hayssem Vazquez-ElsayedFeb 13, 2026

Release Automation with GitHub Actions

GitHub ActionsCI/CD+412 min read

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