Testing and CI/CD: From Local Tests to Automated Deployments

Testing and CI/CD: From Local Tests to Automated Deployments Testing starts at the desk, but reliability grows in the pipeline. For many teams, local tests are fast, cheap, and human-friendly. They catch obvious errors before code leaves the developer’s machine. Yet a project only stays healthy when those tests run automatically after every change. Continuous integration and deployment extend the same mindset from one person to the whole team. Think of the journey as three layers: quick checks on your workstation, a shared build in CI, and a staged deployment. Each layer adds guardrails, and each one should be fast enough to stay useful. Start with unit tests, style checks, and a lightweight test harness. Run them with a simple command like npm test or pytest to build confidence early. ...

September 21, 2025 · 2 min · 364 words