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What is a principle of DevOps?

Principles of DevOps: Establish and sustaining high performance. The CAMS acronym—Culture, Automation, Measurement, Sharing—was coined by Gene Kim and it embodies the key principles of DevOps. It can be envisioned as a pyramid with each layer acting as the foundation for the next.

How do you automate semantic versioning?

Automating Semantic Versioning for any Project

  1. Look through the commits since last release and determine if this will be a major, minor or patch release.
  2. Decide on the new version number based on the changes and the current version number.

What is the CI CD process?

CI/CD is a method to frequently deliver apps to customers by introducing automation into the stages of app development. The main concepts attributed to CI/CD are continuous integration, continuous delivery, and continuous deployment.

What is CI CD interview questions?

Top DevOps Interview Questions

  • Q1. What are the fundamental differences between DevOps & Agile?
  • Q2. What is the need for DevOps?
  • Q3. How is DevOps different from Agile / SDLC?
  • Q4. Which are the top DevOps tools?
  • Q5. How do all these tools work together?
  • Q6. What are the advantages of DevOps?
  • Q7.
  • Q8.

What is CI CD and how does it work?

Continuous integration (CI) is practice that involves developers making small changes and checks to their code. In short, CI is a set of practices performed as developers are writing code, and CD is a set of practices performed after the code is completed.

What is Commitlint?

commitlint helps your team adhering to a commit convention. By supporting npm-installed configurations it makes sharing of commit conventions easy.

Is Jenkins a CI or CD?

Jenkins Today Originally developed by Kohsuke for continuous integration (CI), today Jenkins orchestrates the entire software delivery pipeline – called continuous delivery. Continuous delivery (CD), coupled with a DevOps culture, dramatically accelerates the delivery of software.

Why we use CI CD pipeline?

A CI/CD pipeline introduces monitoring and automation to improve the process of application development, particularly at the integration and testing phases, as well as during delivery and deployment.

How do I monitor DevOps?

To get started, follow these five best practices to perform DevOps monitoring efficiently and quickly in a measurable and scalable way.

  1. Step 1: Collect the Data.
  2. Step 2: Correlate and Triage.
  3. Step 3: Identify Trends.
  4. Step 4: Notify and Act (Automation).
  5. Step 5: Predict (What-if Analysis).

How do you keep changelog?

How to maintain a changelog

  1. Changelogs are for people.
  2. Every single version should have its own changelog entry.
  3. All changes of the same type should be grouped together for reading comprehension.
  4. Provide links if possible!
  5. The newest and latest version should be at the top of the page.
  6. Document the date!

What is a change log in project management?

The change log is a document that is used by the project team to log and track change requests throughout the life of the project. These may be changes in scope, deliverables, design, or other changes which can easily cause a project to fail without a deliberate change management effort.

How do I make a release?

To create a fresh release, follow these steps:

  1. First, go to the Releases tab.
  2. Second, select the Draft a new release button available on the right.
  3. Third, write a tag name that does not currently exist (v2.
  4. Releases are an excellent way to let know your users about the latest release of the software.

What are three properties of a good CI CD pipeline?

Here are a few attributes of a good CI/CD pipeline.

  • It’s fast. A CI/CD pipeline can have a lot of moving parts.
  • It uses the same processes and artifacts.
  • You can deliver any version of the code at any time.
  • There’s little manual interaction.

What makes a good CI CD pipeline?

A good CI/CD pipeline needs to cover as many as possible all the aspects of a seamless software delivery process. It takes just one phase left uncovered in the CI/CD tools to significantly affects the whole pipeline chain.

What are monitoring tools in DevOps?

Types of Business Intelligence (BI) or Monitoring DevOps Tools

  • Sensu:
  • PagerDuty:
  • Datical Deployment Monitoring Console:
  • Tasktop Integration Hub:
  • Librato:
  • Prometheus:
  • Kibana:
  • Elasticsearch:

What is husky JS?

Husky is a tool that allows us to easily wrangle Git hooks and run the scripts we want at those stages. It works by including an object right within our package. json file that configures Husky to run the scripts we specify. After that, Husky handles managing at which point in the Git lifecycle our scripts will run.

How do I add a release note in GitLab?

To create a release on the GitLab website:

  1. Go to your repository.
  2. In the menu choose Repository > Tags.
  3. Add a tag for the version of your app. For example, v1. 3.1 .
  4. Add a message (title) about the release. For example, Release 1.3. 1 .
  5. Add a note that describes the details of the release. (Not optional.
  6. Click Create tag.

How do you write a release note?

5 Release Notes Best Practices

  1. Use plain language. Leave the techno-jargon out.
  2. Keep them short. If you’ve added a new integrated calendar into your app that users can access on the main dashboard, great.
  3. Group them logically.
  4. Include relevant links.
  5. Show your company’s brand and personality.

What are the benefits of CI CD?

Benefits of continuous integration-continuous deployment (CI-CD)

  • Smaller code changes are simpler (more atomic) and have fewer unintended consequences.
  • Fault isolation is simpler and quicker.
  • Mean time to resolution (MTTR) is shorter because of the smaller code changes and quicker fault isolation.
  • Testability improves due to smaller, specific changes.

How do you automate changelog?

How to automate your releases, versioning & release notes like a boss

  1. bump your package. json version to the right semver version.
  2. create a github release.
  3. create a git tag.
  4. generate a changelog that includes the release notes.
  5. push the changes to your git repository.
  6. publish your package to npm.

What is difference between CI and CD?

The Difference between CI and CD Simply put, CI is the process of integrating code into a mainline code base. CD is about the processes that have to happen after code is integrated for app changes to be delivered to users. Those processes involving testing, staging and deploying code.

How do you write a changelog?

Globally, there are two ways to write a changelog:

  1. the usual way: create a text file and start to enumerate all your changes with a specific date.
  2. the developer choice (alias the lazy option): auto-generate your changelog from your commit messages.

How does GitLab CI CD work?

GitLab CI (Continuous Integration) service is a part of GitLab that build and test the software whenever developer pushes code to application. GitLab CD (Continuous Deployment) is a software service that places the changes of every code in the production which results in every day deployment of production.

How do I make a CI CD pipeline in Jenkins?

Step 2: Open Jenkins on your specified port. Click on New Item to create a Job. Step 3: Select a freestyle project and provide the item name (here I have given Job1) and click OK. Step 4: Select Source Code Management and provide the Git repository.

How does CI CD work?

What is a CI/CD pipeline? A CI/CD pipeline automates your software delivery process. The pipeline builds code, runs tests (CI), and safely deploys a new version of the application (CD). Automated pipelines remove manual errors, provide standardized feedback loops to developers, and enable fast product iterations.

What is the best CI CD tool?

Best 14 CI/CD Tools You Must Know | Updated for 2021

  • Jenkins. Jenkins is an open-source automation server in which the central build and continuous integration process take place.
  • CircleCI. CircleCI is a CI/CD tool that supports rapid software development and publishing.
  • TeamCity.
  • Bamboo.
  • GitLab.
  • Buddy.
  • Travis CI.
  • Codeship.

How CI CD works in Jenkins?

Jenkins provides us seamless ways to set up a CI/CD environment for almost any combination of code languages and source code repositories using pipelines. It is an open source automation server which can be used to automate tasks related to building, testing, and delivering or deploying software.

What are semantic pull requests?

action-semantic-pull-request. This is a Github Action that ensures that your PR title matches the Conventional Commits spec. With this action you can validate that the PR title will lead to a correct commit message and subsequently the expected release.

What is monitoring in DevOps?

Fundamentally, Continuous Monitoring(CM), sometimes called Continuous Control Monitoring (CCM), is an automated process by which DevOps personnel can observe and detect compliance issues and security threats during each phase of the DevOps pipeline. Continuous Monitoring comes in at the end of the DevOps pipeline.