CI/CD Pipeline In DevOps:
Definition, Function, Git Tools
A DevOps acts as a liaison between various stakeholders, especially for the developer / software engineer team and the operations team. Previously, the development process (code, build, test) and operations (deploy, operate, monitor) were carried out separately and resulted in a wall of confusion. But this process is no longer the case since DevOps emerged to connect the business processes of the developer team and the ops team continuously.As explained in the article on Introduction to DevOps, the main role of a DevOps is to identify bottlenecks and minimize system waste. The existence of DevOps aims to collaborate all business processes with the same vision and scalable.Of course, collaborating business processes and identifying bottlenecks is not easy if DevOps does not have an automatic system or pipeline. Therefore, a CI/CD Pipeline is needed which is useful for bridging the developer team and the operations team in the product / software release process.
What is CI/CD and CI/CD Stages
- CI/CD is the essence of DevOps, namely the link between the developer team and the operations team in carrying out code integration, testing, and automatic application release. CI/CD is divided into 3 stages, namely Continuous Integration (CI), Continuous Delivery (CD), and Continuous Deployment.
- Continuous Integration (CI) is the process of combining or integrating code that has been created by a number of developer teams into a code repository, to then run tests automatically and continuously. Automated testing in CI aims to check and ensure that the software can run according to the proper code algorithm.
- Continuous Delivery (CD) is a continuation of the CI process that prepares code changes to the staging deployment or pre-production stage after the manual creation process. The code that enters the CD must pass automatic unit testing, integration testing, and system testing. When the code has passed the staging stage, it will be forwarded to the next process, namely Deployment.
- Continuous Deployment (CD) is the last step which is much more sophisticated than Continuous Delivery, namely the process of deploying production (production environment) automatically from the pipeline without human or manual intervention. After passing the testing from the previous staging stage, the code will be automatically deployed to production.
Only failed code tests will prevent new changes from being applied to the deployment. This stage will speed up the feedback loop with customers, so that the dev team can focus on improving the software according to the desired standards.
- CI / CD Pipeline Function
- In general, CI / CD Pipeline is useful for:
- Accelerating the product release process because code merging occurs continuously
- Detecting bugs earlier through CI tools automatically
- Obtaining faster feedback while detecting errors in the testing process
- Clearer transparency / visibility to detect damage to software and control changes.
Example of CI / CD Tools
- In Continuous Integration (CI) practice, sometimes the code is not automatically merged and can overlap, therefore the code needs to be managed, generally developers will use the Version Control System (VCS).
- VCS is a system that records changes to files or collections of files. There are various VCS tools that are commonly used by developers, one of which is Git.
- Git is a version control or application that is useful for managing versions of code or applications. Simply put, Git is a code bank, where millions of codes that have been created are stored and managed.
- In Git, all changes to the code will be recorded in the history. So, we can track the history to find out who created or changed the code. So if suddenly there is an error, it can be fixed quickly.
This collaborative tool can make it easier for DevOps to work with developer teams and ops teams. You can try to install Git to start learning more deeply
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