The pre-built CircleCI Docker image from the CircleCI Dockerhub will help you get started quickly without learning all about Docker. For example, you could specify an executor type and an image for every job: A container or virtual machine is the term used for a running instance of an image. An image is a packaged system that has the instructions for creating a running environment. It is possible to specify a different executor type for every job in your ‘.circleci/config.yml’ by specifying the executor type and an appropriate image. CircleCI enables you to run jobs in one of four environments:
This document describes the available executor types ( docker, machine, windows and macos) in the following sections:Īn executor type defines the underlying technology or environment in which to run a job.
