What is continuous integration in DevOps? And what can I use for?
Author
Carlos Barge
Continuous Integration is a practice where developers integrate code into a shared repository frequently where each integration is verified by an automated build and automated tests.
It is a software development practice where members of a team integrate their work frequently, usually, each person integrates at least daily leading to multiple integrations per day. Each integration is verified by an automated build (including test) to detect integration errors as quickly as possible.
It is the most important stage in DevOps that is used to integrate various other stages that are there in the DevOps environment.
Tools that can be used to perform Continuous Integration are Jenkins, Travis CI, Atlassian Bamboo, Teamcity etc., Jenkins is the most popular tool that is frequently being used to achieve Continuous Integration.
What can I use DevOps Continuous Integration for?
Today, as more applications and software move from a model where fully new versions replace previous one and toward the SaaS model, CI has become a key development paradigm. For mobile apps for instance, uptime has become a vital concern, and significant outages in service can translate into lost users and reduced revenues.
CI is used in these cases to ensure that when bugs are reported, they can be tested quickly, discovered, and resolved without having to push a completely new version of an application. Instead, a small team can check it, have it tested by automated tools, and upload it quickly.
CI is also used as part of broader DevOps paradigms, helping to create a culture for fast work and more productive use of time. One of the most appealing aspects of CI for organizations is automation.
Which focuses on removing the need to manually perform tasks such as pushing code to repositories, basic testing of new code, and even deploying new fixes to existing containers and code. By focusing on faster fixes and incremental work, organizations can better optimize their teams’ time and efforts.
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