What is DevOps?
DevOps is a methodology in the software development and IT industry. Used as a set of practices and tools, DevOps integrates and automates the work of software development (Dev) and IT operations (Ops) as a means for improving and shortening the systems development life cycle.
Importance/Benefits of DevOps
Continuous delivery of software
Better collaboration between teams
Easy deployment
Better efficiency and scalability
Errors are fixed at the initial stage
More security
Less manual intervention (which means fewer chances of error)
What is Automation, Scaling, Infrastructure?
Automation in DevOps
Automation is a critical component of DevOps. It involves automating the entire software delivery process, from code creation to testing, deployment, and monitoring. Automation enables teams to eliminate manual tasks, reduce errors, and deliver software faster.
Scaling in DevOps
Scaling is another critical component of DevOps. It involves designing and implementing systems that can handle increased load and traffic. Scaling enables teams to deliver software that can handle a high volume of users and traffic
Infrastructure in DevOps
Infrastructure is a key component of DevOps. It involves designing and managing the hardware and software required to run applications and services. Infrastructure can be physical, such as servers and networks, or virtual, such as cloud-based servers and networks.
DevOps Life Cycles
Source Code Management
In this phase, the business owners and software development team discuss project goals and create a plan. Programmers then design and code the application, using tools like Git to store the application code.
Continuous Build and Test
This phase deals with building tools, like Maven and Gradle, then taking code from different repositories and combining them to build the complete application. The application is then tested using automation testing tools, like Selenium and JUnit, to ensure software quality
Continuous Integration
When the testing is complete, new features are integrated automatically to the existing codebase
Continuous Deployment
Here, the application is packaged after being released and deployed from the development server to the production server. Once the software is deployed, operations teams perform tasks, such as configuring servers and provisioning them with the required resources
Continuous Monitoring
Monitoring allows IT organizations to identify issues of specific releases and understand the impact on end-users
Software Released
After all the phases are completed and the software meets the user’s requirement, it is released into the market.
Tools Required in DevOps
Git
Git is a distributed version control tool used to manage source code.
Package Manager
Package manager is a tool that helps software developers to easily share and utilise software libraries and manage dependencies. There are different package managers available in the market. Famous amongst them are:
maven for java
npm for nodejs
pip for python etc…
Selenium
Selenium is an open-source automation tool that is used to test web applications, mainly for regression and functional testing. Regression testing is the process to make sure that the older programming still works with the new changes. Functional testing ensures that the application has adequately satisfied the requirements.
Continuous Integration tool
CI tool helps to automate continuous development, testing, and deployment of newly created codes. Tools like Jenkins, ArgoCD, GoCD etc…
Docker
Docker is an OS-level virtualization software platform that enables developers and IT administrators to create, deploy and run applications and all their dependencies in a Docker container. A Docker Container is an executable package of an application and its dependencies together.
Kubernetes (k8s)
Kubernetes (K8s) is an open source system to deploy, scale, and manage containerized applications anywhere.
Ansible
Ansible is a configuration management tool allowing applications to be deployed automatically in a variety of environments.
Monitoring tool
Monitoring tool is used to monitor systems, servers, networks, and storage infrastructure. Tools like grafana, nagios etc…
To know more tools used for DevOps click here
#90daysOfDevOps
~ Koushik Maharaj :)