Software Alternatives, Accelerators & Startups

CircleCI VS Terraform

Compare CircleCI VS Terraform and see what are their differences

CircleCI logo CircleCI

CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.

Terraform logo Terraform

Tool for building, changing, and versioning infrastructure safely and efficiently.
  • CircleCI Landing page
    Landing page //
    2023-10-05
  • Terraform Landing page
    Landing page //
    2023-09-24

CircleCI

$ Details
-
Release Date
2011 January
Startup details
Country
United States
State
California
Founder(s)
Allen Rohner
Employees
500 - 999

CircleCI features and specs

  • Ease of Use
    CircleCI offers a user-friendly interface and straightforward configuration, making it accessible for both beginners and experienced users.
  • Scalability
    CircleCI easily scales with your project, allowing for flexible resource allocation and handling multiple workflows in parallel.
  • Extensive Integrations
    CircleCI supports a wide range of integrations with various tools and services like GitHub, Bitbucket, Docker, and Slack, enabling seamless workflows.
  • Speed and Performance
    With features like advanced caching, dependency management, and parallelism, CircleCI enables faster builds and quicker feedback cycles.
  • Customizability
    CircleCI provides powerful configuration options through YAML files, allowing users to tailor their CI/CD pipelines to specific project requirements.
  • Free Tier Availability
    CircleCI offers a free plan that includes several features, making it suitable for small projects and open-source contributions.

Possible disadvantages of CircleCI

  • Learning Curve for Advanced Features
    While CircleCI is generally user-friendly, mastering advanced configurations and optimizations can take time and require a deeper understanding of the platform.
  • Cost for Higher Tiers
    The pricing for higher-tier plans can become expensive, especially for large teams or enterprises requiring extensive usage and advanced features.
  • Limited Concurrency in Free Plan
    The free plan has limited concurrent builds, which might not be sufficient for larger projects with high parallelization needs.
  • Occasional Stability Issues
    Users have reported occasional performance and stability issues, particularly during high-demand periods, which can slow down the build process.
  • Configuration Complexity
    If not properly managed, the YAML configuration files can become complex and difficult to maintain for larger projects, leading to potential misconfigurations.

Terraform features and specs

  • Infrastructure as Code
    Terraform allows you to define your infrastructure in configuration files that can be versioned and stored in a version control system. This makes it easy to track changes, roll back if necessary, and collaborate with team members.
  • Multi-Cloud Support
    Terraform supports various cloud providers such as AWS, Azure, Google Cloud, and others. This allows you to manage your entire infrastructure using a single tool, regardless of the underlying provider.
  • Immutability
    Terraform promotes immutable infrastructure, meaning once a component is created, it is not modified in place but replaced if changes are needed. This leads to more predictable and stable deployments.
  • State Management
    Terraform maintains the state of your infrastructure, which helps in tracking resource changes over time and making incremental updates. This is crucial for applying changes in a controlled manner.
  • Community and Ecosystem
    Terraform has a large and active community, along with a rich ecosystem of providers and modules. This makes it easier to find support, share solutions, and leverage pre-built components.

Possible disadvantages of Terraform

  • Complex State Management
    While state management is a significant feature, managing state files can become complex and risky. Issues like state file corruption or sharing between team members can lead to challenges.
  • Learning Curve
    Terraform has a steep learning curve for beginners, especially those who are not familiar with infrastructure as code concepts or the HashiCorp Configuration Language (HCL).
  • Partial Updates
    Terraform's plan and apply operations are not atomic, meaning that partial updates can sometimes leave your infrastructure in an inconsistent state if an error occurs during execution.
  • Dependency Management
    Managing dependencies between resources can be challenging in Terraform. Misconfigured dependencies can lead to issues during resource creation, deletion, or updates.
  • Cost Management
    While Terraform is excellent for provisioning resources, it does not have built-in cost management or optimization features. Users need to rely on third-party tools to manage and optimize costs.

CircleCI videos

CircleCI Part 1: Introduction to Unit Testing and Continuous Integration

More videos:

  • Tutorial - How To Setup CircleCI On Your Next Project (Vue, React, or Angular)

Terraform videos

Wampler Terraform | Reverb Tone Report Demo

More videos:

  • Review - MOD PEDAL POWERHOUSE! Wampler TERRAFORM
  • Demo - IT'S FINALLY HERE! | Wampler Terraform Demo | It's as good as you hoped!!!

Category Popularity

0-100% (relative to CircleCI and Terraform)
Continuous Integration
100 100%
0% 0
DevOps Tools
65 65%
35% 35
Developer Tools
42 42%
58% 58
Continuous Deployment
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare CircleCI and Terraform

CircleCI Reviews

The Best Alternatives to Jenkins for Developers
CircleCI is a cloud-based CI/CD platform that has gained significant traction in recent years. With a focus on simplicity and ease of use, CircleCI offers a streamlined approach to automating your build, test, and deployment processes. One of its standout features is its strong support for Docker, making it a great choice for teams working with containerized applications.
Source: morninglif.com
Top 5 Jenkins Alternatives in 2024: Automation of IT Infrastructure Written by Uzair Ghalib on the 02nd Jan 2024
CircleCI– Get unparalleled performance and insights with CircleCI’s interactive dashboard and automatic upgrades – revolutionizing the way you build and deploy your applications.
Source: attuneops.io
Top 10 Most Popular Jenkins Alternatives for DevOps in 2024
CircleCI can be a Jenkins replacement for teams seeking a managed experience where performance and support options are priorities. CircleCI is also investing heavily in building new capabilities that cater to the pipeline requirements of apps using AI and ML.
Source: spacelift.io
35+ Of The Best CI/CD Tools: Organized By Category
CircleCI is a complete CI/CD pipeline tool. You can monitor the statuses of your various pipelines from your dashboard. Additionally, CircleCI helps you manage your build logs, access controls, and testing. It’s one of the most popular DevOps and CI/CD platforms in the world.
10 Jenkins Alternatives in 2021 for Developers
CircleCI is generally recognized for its flexibility and compatibility. Customization is obviously an important factor when making the switch from Jenkins and CircleCI certainly takes an impressive swing at providing users with a solid collection of features.

Terraform Reviews

Do not use AWS CloudFormation
Terraform, on the other hand, will occupy your shell until the directly-involved AWS service coughs up an error. No additional tooling is required. Terraform will just relay the error message from the affected service indicating what you’ve done wrong.
Top 5 Ansible Alternatives in 2022: Server Automation Solutions by Alexander Fashakin on the 19th Aug 2021 facebook Linked In Twitter
Although Terraform and Ansible are both server automation tools, there are still a few significant differences between the two. For example, Terraform is declarative while Ansible allows for both procedural configurations and declarative configurations. Also, Ansible works best as a configuration management tool while Terraform leans towards cloud orchestration.
35+ Of The Best CI/CD Tools: Organized By Category
Terraform is compatible with a wide range of Cloud providers, including Azure, VMWare, and AWS. If you’re subscribed to multiple cloud providers, Terraform is a great way to ensure that they have consistent configurations.
Why we use Terraform and not Chef, Puppet, Ansible, SaltStack, or CloudFormation
Example: Terraform and Ansible. You use Terraform to deploy all the underlying infrastructure, including the network topology (i.e., VPCs, subnets, route tables), data stores (e.g., MySQL, Redis), load balancers, and servers. You then use Ansible to deploy your apps on top of those servers.This is an easy approach to start with, as there is no extra infrastructure to run...
Ansible overtakes Chef and Puppet as the top cloud configuration management tool
Breaking these results down year-over-year, use of Ansible grew from 36% in 2018 to 41% in 2019--surpassing Chef, which grew from 36% to 37%, as well as Puppet, which grew from 34% to 37%. Rounding out the list is Terraform, which experienced a jump from 20% to 31%, and Salt, which increased in usage from 13% to 18%.

Social recommendations and mentions

Based on our record, CircleCI should be more popular than Terraform. It has been mentiond 77 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CircleCI mentions (77)

  • Improving API Performance In Legacy Systems: A Guide for API Developers
    Tools like Jenkins, GitLab CI/CD, and CircleCI offer capabilities for parallel testing and test caching, allowing multiple tests to run simultaneously. This approach significantly reduces overall testing time and prevents unnecessary delays in deployment. Industry leaders such as Netflix and Amazon employ these practices to minimize outages and maintain high service quality. - Source: dev.to / 2 months ago
  • Top 17 DevOps AI Tools [2025]
    CircleCI is a leading cloud-based platform for CI/CD that automates the software development process, enabling teams to build, test, and deploy applications with efficiency and precision. By integrating seamlessly with popular version control systems like GitHub, GitLab and Bitbucket, CircleCI enhances collaboration and accelerates development cycles. - Source: dev.to / 2 months ago
  • Building a serverless GenAI API with FastAPI, AWS, and CircleCI
    GitHub and CircleCI Accounts: You will need a GitHub account to host your project’s repository and a CircleCI account to automate testing and deployment through CI/CD. - Source: dev.to / 2 months ago
  • CircleCI vs. Jenkins
    CircleCI is a CI/CD platform that automates the process of building, testing, and deploying software. It helps developers integrate code changes more frequently and efficiently, ensuring that software development teams can detect and fix errors quickly. - Source: dev.to / 3 months ago
  • AIOps, DevOps, MLOps, LLMOps – What’s the Difference?
    CI/CD tools: Tools like Jenkins, CircleCI, and GitLab CI to automate the build and deployment pipeline. - Source: dev.to / 4 months ago
View more

Terraform mentions (32)

  • Scaffolding Serverless Web Application on AWS
    Terraform is an infrastructure as code tool that lets you build, change, and version infrastructure safely and efficiently. Terraform code is in the terraform directory. - Source: dev.to / 10 months ago
  • Integrating Terraform with CI/CD Pipelines
    In recent years, there has been a significant shift towards automation of infrastructure deployment processes. One popular tool that has emerged as a key player in this space is Terraform, an open-source infrastructure as code (IaC) software tool developed by HashiCorp. This article will explore how Terraform can be integrated into continuous integration and delivery (CI/CD) pipelines using GitHub Actions as an... - Source: dev.to / about 1 year ago
  • Deploying Your Outdoor Activities Map with Terraform
    Terraform is an open-source infrastructure-as-code software tool created by HashiCorp. It allows you to define and manage your infrastructure as code, making it easy to provision and manage resources across multiple cloud providers. With Terraform, you can ensure consistent and repeatable deployments, making it an ideal choice for automating your cloud infrastructure. - Source: dev.to / over 1 year ago
  • Trigger CI using Terraform Cloud
    Continuous Integration(CI) pipelines needs a target infrastructure to which the CI artifacts are deployed. The deployments are handled by CI or we can leverage Continuous Deployment pipelines. Modern day architecture uses automation tools like terraform, ansible to provision the target infrastructure, this type of provisioning is called IaaC. - Source: dev.to / about 2 years ago
  • Using Let's Encrypt with the Puppet Enterprise console
    Had an itch I've been meaning to scratch for a while. I build my Puppet environment using Terraform, which makes it nice and easy to tear things down and rebuild them. That is great, but it does leave me with an issue when it comes to the console SSL certificates. - Source: dev.to / about 2 years ago
View more

What are some alternatives?

When comparing CircleCI and Terraform, you can also consider the following products

Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development

Rancher - Open Source Platform for Running a Private Container Service

Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.

Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.

Travis CI - Simple, flexible, trustworthy CI/CD tools. Join hundreds of thousands who define tests and deployments in minutes, then scale up simply with parallel or multi-environment builds using Travis CI’s precision syntax—all with the developer in mind.

Packer - Packer is an open-source software for creating identical machine images from a single source configuration.