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What is CI? What is its purpose?

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Continuous Integration (CI) is a development practice that requires developers to integrate code into a shared repository, each time they make a commitment.

The CI process:

  • Developers check out code into their private workspaces.
  • When they are done with it they commit the changes to the shared repository (Version Control Repository).
  • The CI server monitors the repository and checks out changes when they occur.
  • The CI server then pulls these changes and builds the system and also runs unit and integration tests.
  • The CI server will now inform the team about the successful build.
  • If the build or tests fail, the CI server will alert the team.
  • The team will try to fix the issue at the earliest opportunity.
  • This process keeps on repeating.

Hence, Continuous Integration as a practice forces the developer to integrate their changes every time so as to get early feedback.

More DevOps Interview Questions by Devlabs Alliance

1. Popular DevOps Interview Questions.

2. Difference between Git and SVN.

3. Which among Puppet, Chef, SaltStack and Ansible is the best Configuration Management (CM) tool and Why?

4. What is a Docker container? How do you create, start and stop containers?

5. What is Nagios?

6. How do all the automation tools work together in a CICD flow?

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