What is CI CD In DevOps ? And What are Differences Between CI and CD

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by StarAgile

November 11, 2021
Category DevOps


Developing an operational software capable of sustaining the modern market is challenging. Businesses must account for numerous factors before even starting the development process. Thus, the only way to complete the development process is via complete harmony of the entire development.

That is why most companies adopt DevOps within their operations. Development models and delivery methods have come a long way in the past decade. However, DevOps have proven its capability to render better results than Agile and Waterfall.

While this makes a choice easier, businesses still need to comprehend DevOps before optimally utilizing it. That makes the confusion between CI and CD a focal point in the process. Despite being present in the market for several years, businesses still do not know the difference between CI and CD.

Both play a crucial role in DevOps, and their understanding is crucial for DevOps’ seamless integration. While DevOps training can clarify the concepts, learning the basics can speed the process. On that note, here are everything businesses should know about CI CD DevOps.

What Are CI and CD in DevOps?

Continuous Integration (CI)

CI or Continuous Integration in DevOps is used to update, fox, or write a feature. CI securely integrates the code to the primary code repository multiple times every day. Every update initiates an automatic development and testing sequence for the project. In addition, it ensures that every code modification made into the repository is secure.

The tool plays pivotal importance in increasing deployment precision. Businesses continuously use CI to streamline code alterations into the codebase. It helps them quickly understand and resolve any issues arising between the code changes.

A business that is not delivering frequent changes to the common repository codebase is not following CI. Similarly, if the development and testing procedures are automated while developers function on standalone networks, that is not CI either.

Continuous Delivery or Deployment (CD)

CD can mean two things in a DevOps course – Continuous Deployment or Continuous Delivery. First, it is the integration of automating the software release procedure. Deployment is the last process after the development team passes every test.

Continuous delivery refers to three primary steps:

It changes the staging framework and release pattern

A team member approves the new code

The management deploys it

On the other hand, Continuous Deployment undertakes the step automatically after the tests.

However, these topics are not exclusive as they form each other. The noteworthy difference between the two is automation. Continuous delivery allows the management to be productive by releasing new codes at any time with minimal steps. Contrarily, Continuous Deployment elevates its functionalities by automatically delivering every source code change to production.

Difference Between CI and CD

Now that you understand what is CI and CD in DevOps, let us understand their differences.

Goals

Continuous integration aims to make the integration process straightforward and seamlessly repeatable. Moreover, it reduces overall development costs while identifying early defects. CI allows developers to undertake integration promptly and frequently instead of being a one-time activity.

Integration issues are bound to surface at some point during the product cycle. Thus, identifying and resolving them earlier is more efficient and economical. On the other hand, the CD aims to develop more software in a short cycle. It tries to release new changes and modifications quickly, reliably, and safely.

CD involves automation in every step, eliminating most friction points within the release or deployment processes. Moreover, it makes sure the development team can release safe codes at any moment.

Process

Process also plays a crucial role while explaining every difference between CI and CD.

CI involves developers frequently integrating code into a shared repository. The process requires developers to submit new software changes every day instead of submitting them at the cycle’s end. Whenever the team inputs the code, the system initiates the compilation procedures, conducts tests, and other quality-based checks to ensure optimal results.

On the other hand, CD executes a set of test programs that alter the management regarding every build failure. In case the build does not give any issues, CD executes several tests in a sequence. The overall goal revolves around ensuring the build is completely deployable and verifiable within a production ecosystem.

Dependencies

Nowadays, every DevOps online course explains how CI and CD pipeline depends on other factors to perform smoothly. The identification is simple as CI relies on test programs and automatic test execution. If conducted correctly, CI allows developers to undertake frequent and innovative builds. Moreover, it deals with issues during the early product lifecycle.

Conversely, CD builds, tests, and releases software frequently and promptly. Thus, it heavily relies on an automated system that helps the management automate the testing and deployment procedures. It ensures that the code is deployable at any moment.

Role of CI and CD in DevOps

DevOps comprises multiple tools and practices designed to improve a business’s capability to deliver services and applications quicker than standard development procedures. DevOps helps organizations develop, deploy, and assess new software in the market. In addition, many modern businesses elevate DevOps’ functionality by adding bake security within its development phases.

The process is called DevSecOps, and it conducts security activities across the SDLC (software development life cycle.) It allows businesses to find early issues and address them effectively. CI and CD pipeline is a part of the broader DevSecOps infrastructure. 

The best way to ensure a seamless flow of DevSecOps is to integrate a quality CI/CD pipeline. Moreover, organizations can reduce any point of friction that slows the delivery and integration. With the practices holding such prominence, most project managers opt for DevOps online training to learn them.

DevOps Training

In Conclusion

DevOps Course has showcased its usability in the modern market via multiple success stories. However, businesses cannot integrate an effective DevOps strategy without a CI and CD pipeline. In addition, working on CI and CD allows organizations to facilitate automation throughout the development cycle.

It eliminates waste, improves quality, eliminates future risks, and increases overall profitability. However, with such benefits, businesses must focus on formulating an operational CI/CD pipeline. 

 

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