Please Note: CircleCI 2.0 is currently in Beta. Start building today to use our latest features. During the Beta we'll be updating the documentation regularly, so watch for updates. Questions about using 2.0 are welcome on Discuss.
Defines the underlying technology to run a build. Can be docker or machine. Learn more.
All the containers (VMs) being run by an executor for the current job.
The first image listed in config.yml. This is where commands are executed for jobs using the Docker executor.
Feature that enables building, running and pushing images to Docker registries from within a Docker executor job. Learn more.