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CI/CD for Beginners

6 articles across 3 parts — read in order.

I — Core Concepts

2 articles
  1. 01Why CI/CD? Understanding the Problem Automation Actually SolvesWhy manual build, test, and deploy always ends in human error and deployment anxiety — and how Continuous Integration, Continuous Delivery, and Continuous Deployment each solve that problem in stages.
  2. 02Anatomy of a CI/CD Pipeline: Trigger, Job, Runner, and ArtifactThe core vocabulary of a CI/CD pipeline — trigger, job, step, runner, artifact, and environment — broken down one by one, plus the branching strategy that pairs well with CI/CD.

II — Hands-On Practice

3 articles
  1. 03Hands-On: Building Your First CI Pipeline with GitHub ActionsA step-by-step walkthrough building a first ci.yml workflow in GitHub Actions — running automated tests on every push and pull request, reading failure logs, and locking down the main branch with branch protection.
  2. 04Build, Secrets & Environment VariablesUpgrading a basic pipeline with three things: a matrix build to test against multiple Node versions at once, GitHub Secrets for storing credentials safely, and a separate build job that produces a deploy-ready artifact.
  3. 05Hands-On: Continuous Deployment to VercelWiring the test-and-build pipeline into automatic deployment on Vercel via GitHub Actions, complete with a manual approval gate using GitHub Environments.

III — Best Practices

1 article
  1. 06Best Practices & Next StepsCommon beginner mistakes in CI/CD, a practical checklist for debugging a broken pipeline, and a roadmap for what to learn next once you've mastered the CI/CD basics.