CI/CD Explained: How to Ship Code Faster Without Breaking Everything

By khoanc, at: May 15, 2025, 8:58 p.m.

Estimated Reading Time: __READING_TIME__ minutes

CI/CD Explained: How to Ship Code Faster Without Breaking Everything
CI/CD Explained: How to Ship Code Faster Without Breaking Everything

Shipping fast is great until you deploy on Friday and get a panicked call at 2 AM Saturday. At Glinteco, we always avoid that.

 

That’s why CI/CD (Continuous Integration and Continuous Deployment/Delivery) exists. It’s the engine behind modern development teams that want to move quickly without breaking production.

 

In this post, we’ll explain what CI/CD actually is, how it works, and why it matters to developers, product managers, and business leaders.

 

What Is CI/CD, Really?

 

Let’s keep it simple:

 

  • CI (Continuous Integration) is the practice of frequently merging small code changes into the main branch. Every change is automatically tested to make sure it doesn’t break anything.
     

  • CD (Continuous Delivery or Deployment) means that after passing tests, the code is either:

     

    • Delivery: ready to deploy with one click
       

    • Deployment: automatically deployed to production

 

Together, they create a seamless flow from code commit → tested → shipped → live.

 

The Old Way vs The CI/CD Way

 

Old Way:

 

  • Manual testing
     

  • Deployments every few weeks
     

  • Long QA cycles
     

  • Frequent regressions

 

CI/CD Way:

 

  • Automated testing and builds on every push
     

  • Multiple deploys per day (safely)
     

  • Small, incremental releases
     

  • Lower risk, faster feedback

 

 

Why It Matters

 

Even if you’re a non-technical CEO, here’s why CI/CD should be on your radar:

 

  • Faster Time to Market: Feature goes from dev → live in hours, not weeks
     

  • Higher Confidence: Automated tests catch bugs early
     

  • Less Downtime: Rollbacks are easy, deploys are routine
     

  • Happier Dev Teams: No more “deployment dread” or late-night hotfixes

 

 

What Tools Are Involved?

 

Here’s a basic CI/CD pipeline stack:

 

Stage Tools Example
Code Hosting GitHub, GitLab, Bitbucket
CI Pipelines GitHub Actions, GitLab CI, Jenkins
Testing Pytest, Jest, Cypress, Selenium
Build & Deploy Docker, Ansible, Terraform, Vercel
Monitoring Sentry, Prometheus, Grafana

 

A Real Example from Glinteco

 

At Glinteco, we set up CI/CD for nearly every project whether it’s a Django API, React frontend, or Node.js backend. For one of our Australian retail clients, we:

 

  • Used GitHub Actions for CI
     

  • Automatically ran unit tests and linting on every pull request
     

  • Deployed successful builds to DigitalOcean via Ansible
     

  • Reduced release cycle from 14 days to 2 days

 

The result? Fewer bugs, faster updates, happier stakeholders.

 

Getting Started with CI/CD (Even If You’re Small)

 

  1. Start simple: Add automatic tests and linting to every commit
     

  2. Choose one CI tool: GitHub Actions is great for beginners
     

  3. Automate builds and staging deploys first
     

  4. Move to full deployment once you’re confident in testing coverage

 

Even a two-person startup can benefit from CI/CD especially when you’re moving fast.

 

Final Thoughts

 

CI/CD isn’t just a buzzword. It’s the backbone of modern software development. Whether you’re a solo dev, a startup CEO, or leading an engineering team, mastering CI/CD will save time, reduce risk, and keep your users happy.

 

And if it still feels intimidating? That’s where we come in.

 

Need help setting up CI/CD for your team?

 

Glinteco can help you ship fast and sleep at night.

 

Talk to us →

 

Tag list:

Subscribe

Subscribe to our newsletter and never miss out lastest news.