What is CI/CD?

CI/CD is a system that automatically checks new code for mistakes and sends it out to users fast. It helps teams fix problems early instead of waiting until the end.

7 min read min de lecture

~$ man ci-cd

What is CI/CD?

Cloud & DevOps gneurone encyclopedia
CI/CD is a system that automatically checks new code for mistakes and sends it out to users fast. It helps teams fix problems early instead of waiting until the end.

definition

CI/CD stands for Continuous Integration and Continuous Delivery or Deployment. Continuous Integration means developers merge code changes often and run automated tests to catch errors quickly. Continuous Delivery or Deployment extends this by automatically preparing and releasing the code to production environments with minimal manual steps.

Think of CI/CD like an assembly line in a factory where every new part is checked by machines right away and the finished product moves to shipping without extra human approval each time.

key takeaways

  • CI/CD reduces the time between writing code and releasing it to users.
  • Automated tests in CI catch bugs before they reach production.
  • CD pipelines handle building, testing, and deploying without manual intervention.
  • Teams using CI/CD release updates more frequently and with fewer failures.
  • It requires version control systems like Git and tools such as Jenkins or GitHub Actions.

the 2026 job market

By 2026 demand remains high for DevOps engineers and platform engineers who can design and maintain CI/CD pipelines as companies shift to faster release cycles and cloud-native applications.

DevOps Engineer · $115000-$165000 US / $105000-$150000 CAD / £65000-£95000 UKSite Reliability Engineer · $120000-$170000 US / $110000-$155000 CAD / £70000-£100000 UK

frequently asked questions

What tools are commonly used for CI/CD?

Popular tools include Jenkins, GitLab CI, GitHub Actions, and Azure DevOps. Each connects to code repositories and runs automated steps for build, test, and deploy stages.

How does CI/CD improve software quality?

It runs tests on every code change so errors are found early. This leads to fewer bugs in production and more stable releases over time.

What skills are needed to work with CI/CD?

Basic programming, understanding of version control, scripting, and cloud platforms are essential. Knowledge of container tools like Docker and orchestration with Kubernetes is also common.

Can small teams benefit from CI/CD?

Yes, even small teams use simple pipelines to automate testing and deployment. This saves time on manual tasks and reduces human error during releases.

courses to go further

$ cat ./full-guide.mdLance-toi en CI CD Pipeline : ton premier pas concret aujourd'huiread the guide →

related terms

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Auteur(s)

R

REHOUMA Haythem

Haythem Rehouma est un ingénieur et architecte IA et cloud, formateur et enseignant technique, avec un profil orienté IA médicale, AWS, MLOps, LLM/RAG et vision par ordinateur.