DevOps is a set of principles that are used to completely automate the complete development process in a company.
It saves a lot of time and resources for the developers, testers, and operations team. DevOps is widespread across the tech industry and many organizations are trying to adopt it because of its reliability.
As a part of the DevOps series, in the earlier tutorial, we have learned about the importance of DevOps and why you should learn DevOps engineering. In this article, we are going to check popular tools used in DevOps.
If you are a beginner or aspirant DevOps engineer, this is the list of must-learn tools and software. Let’s get to know about the Popular tools used in DevOps.
It is a software hosting and version control tool which is currently a subsidiary of Microsoft. They acquired it in 2018.
Most of the open-source contributions are done through GitHub.
Why is GitHub important?
The developer makes a lot of changes to the code as well as documentation in his local environment. For these changes to be reflected in the production server the developer has to go manually update it, as a result, this process was time-consuming.
With Git and GitHub with the help of a few commands, all the changes are tracked and this can be easily pushed into the server by executing a few commands on the terminal. This was quick and saved a lot of time for the developer by increasing the efficiency of the development process.
Alternatives to GitHub
This same kind of work can also be done using bitbucket, mercurial, subversion, and azure repos.
You can use Git for all these repositories. Irrespective of which repos you want to use, learning Git is your first step.
Docker is a containerization tool. It creates containers that isolate themselves from other containers and servers which have their own software, libraries, and configurations.
But, why do we need docker?
For example, if you want to launch four different applications with each having a different version of PHP. This cannot be done in a single server as PHP spent allow to have different versions of it on the same server.
So we use docker where we launch these four different applications in the four docker containers in the same server and all these containers are isolated from each other.
Docker does not divide the hardware components but virtualizes the operating system.
If you are developing any tooling software, you can create the REST APIs at each container. These REST APIs allow communication between different container services.
Apache Maven is mainly used to automate builds and used when developers are building java based applications.
It can be used on other types of applications built on Ruby, C#, Scala, and many more.
It describes the way that software is built and the dependencies that are required to build it.
Apache Maven uses an XML file where it consists of the Software, Dependencies, and configurations. It uses a concept called the Project object model (POM) with the help of which the entire configuration of the software is maintained in a single file.
Alternatives to Apache Maven
Similar tools like maven include npm(Javascript) and MS Build (Dot Net).
The sole purpose of Jenkins is to automate and integrate all the steps of the software lifecycle where we build and test a product.
When we make a change at Github it is automatically taken by Jenkins and the build is performed.
Usage and Advantages of Jenkins
This reduces the human intervention and dependencies leading to testing and deployment of code simultaneously.
The main use case of Jenkins is continuous integration.
It is widely used because it is open source and it was created by a developer to help developers to make their work easier.
Alternatives to Jenkins
There are many similar DevOps tools but they are not open source. Some of them are Bamboo (Atlassian ecosystem) and Team city can be integrated with a lot of DevOps tools like Maven.
All major companies use Jenkins for continuous development and continuous integration (CICD).
Kubernetes is a container orchestration tool. It is used for the continuous deployment of software that is already built.
It is extremely used in software that was built on microservices architecture as it is done by orchestrating multiple containers.
Kubernetes also accepts docker as a containerization platform.
Why Kubernetes?
It is an open-source project built by Google developers and then donated to the cloud-native computing foundation.
Google, Redhat and AWS are active contributors of Kubernetes,
Joe Beda, a Principal Software Engineer at VMWare says that
I think there’s an interesting recursive property here. I think Kubernetes makes it easier to actually run systems at scale, distributed systems at scale. It lower’s the cost and complexity around creating operationalized software.
Artifactory is a Jfrog product and it is an artifact repository manager or Binary repository manager.
Let’s understand, what are artifacts?
When you store your code in Github and when you compile and run it it will generate some binary files. These binary files are stirred in artifactory combining the dependencies and configuration and these files are called artifacts.
For example, when you compile Java it gives a var and a jar file which has to be stirred somewhere(artifactory) and then moved to the CI/CD tool.
Package managers like npm, maven and nuget can also be managed using this tool. They are equally important tools like version control and CI/CD tools.
These are popular and widely used DevOps tools in the industry for the software development lifecycle. Let me know your thought on this.
I am a highly active and passionate guy who loves trending technologies and wants to help others learn and use them to solve real-life problems. I am a tech come Management guy loves blogging, programming and marketing. I’m also a Developer students club lead powered by Google developers.
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