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Continuous Integration & Continuous Delivery: benefits and recommendations

20 Apr, 2022 Methodologies
Continuous Integration & Continuous Delivery: benefits and recommendations

In DevOps and Agile methodologies in general, we often hear about the acronyms CI and CD, but what are they all about? 

Continuous Integration: what is it?

Continuous Integration (CI) is a practice that applies in contexts where software development is done through a version control system, where changes are merged with the main branch as often as possible. Changes are automatically tested with a build and run system to avoid issues at the final release point.

Controlled integration, automation and testing are the main elements of Continuous Integration.

Continuous Integration: benefits

Continuous Integration: disadvantages

An important initial preparation phase is required, which for the organization means investing budget and time to begin implementing the procedure.

Continuous Delivery: what is it?

Continuous Delivery (CD) is a methodological approach that allows the software to be released frequently and quickly through a fully automated release process.

Every single software change (configuration changes, new features, bug fixes) is immediately and automatically built, tested and delivered to the user in a safe, fast and sustainable way.

Continuous Delivery: benefits

Continuous Delivery: disadvantages

It needs:

Continuous Deployment: what is it?

Continuous Deployment is a technical practice that goes "one step further" compared to the automation of Continuous Integration: through these procedures, the methodology called Continuous Delivery is implemented. 

Many of the advantages and disadvantages identified in Continuous Integration and Continuous Delivery are amplified in Continuous Deployment and require more effort.

Continuous Deployment: benefits

Continuous Deployment: disadvantages

In order to work according to Continuous Deployment, two fundamental factors are required: 

Continuous Deployment: automation

This degree of automation requires a cross-functional team, equipped with the fundamental skills: what matters is not having an army of super-specialists but a trained DevOps team.

However, if managed, this same automation brings many advantages in the work structure: 

Conclusion

Continuous Integration and Continuous Deployment practices are very important: they allow to have a good continuous delivery process, to obtain quality results and frequent feedback, in order to have a continuous improvement on the development process implemented by a team.

QRP International is a PeopleCert accredited training provider on behalf of Axelos, Project Management Institute and APMG International. If you want to find out more about the world of certifications and be up-to-date on best practices applied to work, read our blog!

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