New
Private orbs now available on the CircleCI Scale plan. Read More
Everything you need to optimize your CI/CD pipeline
Access our configuration packages (orbs), documentation, API, CLI, and other tools and resources.
Getting Started
Learn the basics of CI/CD and how CircleCI works. Take a step-by-step approach to setting up your first project on CircleCI.
CircleCI Configuration
Our configuration-as-code philosophy means the entire delivery process, from build to deploy, is orchestrated through a single file called config.yml. Learn CircleCI’s pipeline hierarchy and how to successfully set-up your YAML file.
Explore the ConfigurationCircleCI Orbs
Orbs are reusable packages of configuration that simplify your development process. Choose from thousands of orbs available on our public registry. If your team is on the Scale Plan, you can create private orbs used exclusively by your organization.
Explore OrbsConvenience Images for Docker
CircleCI maintains a fleet of Docker images for a CI/CD environment that are compatible with multiple programming languages and a few databases. Use images as a quick and convenient starting point for your containerized environment.
Explore ImagesIntegrations and Interfaces
Integrate your existing toolchain using orbs, our API, and built-in GitHub and Bitbucket integrations. In addition to the in-app experience, you can stay productive and in-flow with our API and CLI.
API
Introduce efficiency in your test suite and visualize data from your pipelines. You can also connect other apps with CircleCI through available API endpoints.
Explore the APICommand Line Interface
Prefer to work in the terminal? Install the CircleCI CLI to interact with your projects, enable activities from your local machine, and more.
Explore the CLIResources
Setting up your CI/CD pipelines and maintaining an efficient practice shouldn’t be done in silos. Take advantage of resources and best practices from in-house experts and our community.
Documentation
Whether you’re new to CI/CD or an experienced developer, use the tutorials, samples, and how-to guides in our documentation to learn CircleCI.
Learning Resources
Access the CircleCI Academy for free, developer-led training or view technical tutorials and perspectives on our blog. Learn from our team of experts and customize your onboarding experience.
Community & Support
Get the support you need from CircleCI and our growing community of more than 600K developers.