Most teams set up CI/CD once, copy-paste it forever, and never really understand what's happening inside that YAML file.
This tutorial breaks it down from scratch.
What's Inside
- Your first workflow file, explained line by line
- Running tests automatically on every push and pull request
- Using Secrets so API keys never end up in your repo
- Deploying to a server via SSH after tests pass
- Caching dependencies so CI runs finish in seconds, not minutes
- Matrix builds to test across multiple Node.js versions in parallel
- The 5 most common workflow errors and how to fix them
If GitHub Actions has always felt like magic you just trust and don't touch, this guide is worth a read.
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