NextGen Invent Senior Devops Engineer Interview Questions and Answers

Terraform templates can be used to create AKS clusters.

• Use the azurerm_kubernetes_cluster resource in Terraform to create an AKS cluster.

• Specify the required parameters such as resource group, location, node count, and node size.

• Use the azurerm_kubernetes_service_principal resource to create a service principal for the AKS cluster.

• Use the azurerm_kubernetes_cluster_node_pool resource to create node pools with specific ...read more

Ansible was extensively used in the project for configuration management and automation.

• Automated deployment of applications using Ansible playbooks

• Configuration management of servers using Ansible roles

• Automated backup and restore of databases using Ansible scripts

• Automated provisioning of infrastructure using Ansible modules

GitHub Actions is a CI/CD tool provided by GitHub for automating workflows and tasks in software development.

• GitHub Actions allows you to automate tasks like building, testing, and deploying code directly from your GitHub repository.

• You can create custom workflows using YAML files to define the actions to be taken based on events like push, pull request, or issue creation.

• GitHub Actions supports a wide range of program...read more

CI/CD pipeline automates the process of integrating code changes and deploying them to production.

• CI/CD stands for Continuous Integration/Continuous Deployment

• Automates the process of building, testing, and deploying code changes

• Helps in detecting and fixing integration errors early in the development cycle

• Uses tools like Jenkins, GitLab CI/CD, Travis CI, etc.

• Ensures faster delivery of code changes to production

Before CI/CD, manual processes were used for software deployment, leading to slower release cycles. After CI/CD, automation streamlines the process for faster and more reliable deployments.

• Before CI/CD: Manual deployment processes requiring human intervention

• After CI/CD: Automated deployment pipelines for continuous integration and continuous delivery

• Before CI/CD: Longer release cycles due to manual testing and deploym...read more

Docker is used for containerization of applications, allowing for easy deployment and scaling. Before Docker, CI/CD integration was more complex and less efficient.

• Docker is used to create lightweight, portable, self-sufficient containers that can run applications in any environment.

• Before Docker, CI/CD pipelines often relied on virtual machines or manual configurations for deployment and testing.

• Docker simplifies the ...read more