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


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:
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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.
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CD (Continuous Delivery or Deployment) means that after passing tests, the code is either:
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Delivery: ready to deploy with one click
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Deployment: automatically deployed to production
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Together, they create a seamless flow from code commit → tested → shipped → live.
The Old Way vs The CI/CD Way
Old Way:
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Manual testing
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Deployments every few weeks
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Long QA cycles
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Frequent regressions
CI/CD Way:
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Automated testing and builds on every push
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Multiple deploys per day (safely)
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Small, incremental releases
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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:
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Faster Time to Market: Feature goes from dev → live in hours, not weeks
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Higher Confidence: Automated tests catch bugs early
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Less Downtime: Rollbacks are easy, deploys are routine
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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:
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Used GitHub Actions for CI
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Automatically ran unit tests and linting on every pull request
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Deployed successful builds to DigitalOcean via Ansible
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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)
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Start simple: Add automatic tests and linting to every commit
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Choose one CI tool: GitHub Actions is great for beginners
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Automate builds and staging deploys first
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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.