7 Reasons why you should ditch Jenkins for CircleCI !
Tags: jenkins, cicd, devops, cloud
Published: 2023-08-29 20:23:51


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/r306sm7p8lduro5x4e5a.png)

Every development team’s ultimate goal is to design and deploy apps in a sustainable and methodical manner. The most important aspect of your software delivery lifecycle is your deployment pipeline. When it comes to CI/CD pipelines, Jenkins is the most often used tool. However, more efficient solutions have lately emerged in this domain, with Circle CI being one among them.

Jenkins may have previously ruled dominant amongst CI/CD tools, but let’s face it, it’s beginning to seem a little vintage. It’s similar to the outdated flip phone your grandfather continues to use. If you’re tired of dealing with the mess of Jenkins configuration and maintenance, it’s time to switch to something fresher.

While Jenkins can handle many tasks using multi-threading, CircleCI’s built-in parallelism support takes it to the next level. Parallelism is completely incorporated into CircleCI, making it easier to administer and control than Jenkins. Furthermore, CircleCI’s parallelism method provides for more precise resource control and may dynamically assign resources based on demand. This implies that, as compared to Jenkins, CircleCI can enable quicker, more efficient builds and deployments.

CircleCI is a modern, cloud-based solution that is quicker, more efficient, and more user-friendly than Jenkins. CircleCI simplifies and boosts productivity by providing a user-friendly interface, built-in parallelism, and a large library of interfaces. In addition, CircleCI’s cloud-based architecture eliminates the need for costly hardware and maintenance, saving you time and money over time. Thats why more and more developers are making a switch form jenkins to circle ci .

Take a deep breath because we are now taking a deep dive in to the world of circle ci .

## Beginner-friendly

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/fz6ffe91hq62xxg00518.png)

Setting up Ci/CD pipeline line in fairly simple in circle ci. Jenkins has a more steep learning curve than Circleci because of to its broad feature set and various configuration options. CircleCI, on the other hand, is intended to be more user-friendly and streamlined, with an emphasis on ease of use and simplicity. The platform also has predefined templates for various sorts of projects, which can help to streamline the setup process even more. With CircleCI, you can quickly set up a basic pipeline, and the tool will instantly recognize your code and begin creating.

While both Jenkins and CircleCI may accomplish comparable CI/CD outcomes, CircleCI is typically regarded as a more beginner-friendly solution because to its simplified learning curve and user-friendly design.


## Cloud-based

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/iofayc9ay767wbl2x0xr.png)

CircleCI is a cloud-based CI/CD solution, so you don’t have to set up and maintain your own infrastructure. This makes scaling your builds easy and saves you the trouble of managing your own servers.

CircleCI’s main benefits over Jenkins is its cloud-based architecture. The cloud-based infrastructure has several advantages that make it easier and less expensive to start up, manage, and extend your development process.

Here are a few key advantages of CircleCI’s cloud-based infrastructure:

Scalability: With CircleCI’s cloud-based infrastructure, you can easily scale your development process up or down based on the needs of your business.

Cost-effectiveness: CircleCI’s cloud-based infrastructure eliminates the need for hardware investments or maintenance, reducing costs associated with hardware and infrastructure.

Flexibility: CircleCI’s cloud-based infrastructure is extremely adaptable, allowing you to tailor your development process to your team’s exact requirements.

Reduced maintenance: With CircleCI’s cloud-based infrastructure You don’t have to worry about hardware maintenance or updates when you use CircleCI’s cloud-based infrastructure. CircleCI manages all of the underlying infrastructure.

Global availability: CircleCI’s cloud-based infrastructure is available globally, allowing you to simply set up your development process in numerous locations. This is especially useful for teams with remote developers or teams who need to work with teams in various geographical regions.


## User-friendly interface

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/2siln7amfqv43zjcgrd7.png)

The user-friendly interface of CircleCI has a significant advantage over Jenkins. The tool’s UI is intended to be simple and intuitive to use, lowering the learning curve for new users and accelerating tool setup.

Dashboard: CircleCI’s dashboard provides a clear overview of your builds, tests, and deployments. The dashboard is customizable, allowing you to configure it to display the information that’s most important to your team.

Build configuration editor: CircleCI’s build configuration editor is a visual editor that makes it easy to configure your builds without having to write complex code. This editor provides an intuitive and user-friendly interface for defining build workflows, jobs, and steps.

Notifications: CircleCI’s notification system helps keep your team informed about the status of builds, tests, and deployments. Notifications can be customized, allowing you to set up alerts for specific events or stages of the development process.

Logs and output: CircleCI’s logs and output are presented in a clear and concise format, making it easy to identify issues and troubleshoot errors. The output is color-coded, providing an easy-to-read summary of the status of your build.


## Configuration as code

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/5rlgu4m621i6v62k2u54.png)

CircleCI has a built-in feature called “Configuration as Code” (CAC). You may provide your build settings in a YAML. This makes managing changes and tracking history simpler since you can keep your build configuration in version control with your code. Jenkins, on the other hand, requires that you use its web interface to arrange your builds, which can be more time-consuming and opaque.

The CircleCI Config file, which is a YAML file that describes the pipeline configuration, is used to implement Configuration as Code in CircleCI. When the CircleCI Configuration file is saved in the source control system, CircleCI will immediately detect changes and start pipeline runs. CircleCI additionally includes a Configuration Validator tool for validating configuration file syntax before uploading it to the source control system.

Jenkins, on the other hand, approaches CaC in a more complicated and less intuitive manner. Jenkins employs a configuration file as well, but in order to attain a similar degree of capability, it needs plugins. This can make it difficult for developers to keep track of changes and maintain an audit trail, especially as the number of plugins and scripts grows.

Overall, compared to Jenkins, CircleCI’s CaC method is more easy to comprehend and less error-prone. Because of this, developers seeking a user-friendly, maintainable CI/CD solution will find it to be a superior option.


## Pipeline Configuration

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/0yc3km7f3ttvp2dhwqj2.png)

Both jenkins and Circleci supports pipeline as a code, enabling teams to specify their build, test, and deployment processes in a version-controlled configuration file. The configuration syntax of these two systems, however, is somewhat different.

Jenkins defines the pipeline using Jenkinsfile, a domain-specific language written in Groovy. While Groovy is a great language, its complexity can make it difficult for beginners to pick up. It requires a solid understanding of programming concepts such as variables, loops, and functions. Even for experienced engineers, developing and administering Jenkins pipelines may be time-consuming and error-prone since each stage of the pipeline requires them to write Groovy code.

CircleCI, on the other hand, use a YAML-based configuration file called config.yml which is far easier to understand, edit, and manage than Groovy code. YAML is a simple language that is often used for configuration files in a variety of projects. The pipeline phases may be defined by users using a simple declarative syntax that does not require any programming experience. This makes it easy for newcomers to get started with CircleCI and quickly build pipelines.

In addition, CircleCI has a visual interface which enables users to swiftly handle and debug their pipelines. The interface displays real-time pipeline status, logs, and test results, allowing users to immediately detect and fix any issues that arise. Jenkins, on the other hand, lacks a built-in visual interface for pipeline management, forcing users to rely on plugins or third-party applications to monitor their pipelines.


## Native integrations

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Both jenkins and circleci provide several native integrations with well-known development tools, like GitHub, Bitbucket, and Slack but in contrast to Jenkins, CircleCI’s native integrations are more robust and user-friendly.

CircleCI comes pre-integrated with a variety of third-party solutions, including Docker, Kubernetes, AWS, and Google Cloud. Because these integrations are pre-configured and need little setup, developers may start using them right away. Furthermore, CircleCI has native support for a variety of programming languages, including Ruby, Python, and Go, making it easier to create, test, and deploy applications.

Jenkins, on the other hand, relies primarily on plugins to enable native integrations with a wide range of tools. While Jenkins has a large plugin library, this might cause compatibility, versioning, and security difficulties, especially when using third-party plugins and these plugins must be configured by developers, which may be time-consuming and difficult.

Overall, CircleCI’s native integrations are more thorough, simpler to use, and take less time to set up than Jenkins’ plugin ecosystem, even though it can be advantageous to some degree.


## Containers and docker

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/w9e9np04wh797o0bp4vq.png)

As always in Jenkins you needs a “plugin” that allows users to run build agents in Docker containers. Jenkins pipelines may also be used to create Docker images and distribute them to registries, as well as to deploy Docker containers to Kubernetes clusters.

On the other hand Circleci was built with containerization in mind from the start and has native support for Docker.CircleCI users can define their build environment as a Docker image, which is then utilized to perform all build stages. CircleCI also has built-in Kubernetes compatibility, allowing users to deploy Docker containers to Kubernetes clusters. In terms of usability and convenience, CircleCI’s native Docker support could make setting up and configuring containerization for your CI/CD pipeline easier and faster.

CircleCI appears as the clear victor in the above comparison based on various metrics. However, there is one significant distinction that cannot be overlooked. Jenkins is a free and open-source CI/CD technology, whereas CircleCI is a premium product. Although pricing in CircleCI is totally flexible, startups and private projects would strongly consider the free choices.

The flip side of the coin is that nothing worthwhile is ever free. Jenkins requires the setup and maintenance of your own servers. hat can certainly multiply your costs until the servers are thoroughly optimized, which will take time.

In conclusion, CircleCI offers a more modern, efficient, and developer-friendly approach to continuous integration and delivery, making it the better option for organizations that want to streamline their software development processes and stay ahead of the curve.
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