Using matrix jobs
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Matrix jobs provide a way to run a job multiple times with arguments. Arguments are supplied using parameters. There are many uses for this feature, including testing on multiple operating systems and against different language or library versions.
Use matrix jobs to run multiple OS tests
In the following example, the test job is run across a Linux Docker container, Linux VM, and macOS environments, using two different versions of Node.js. On each run of the test job, different parameters are passed to set both the OS and the Node.js version:
| Using Docker? Authenticating Docker pulls from image registries is recommended when using the Docker execution environment. Authenticated pulls allow access to private Docker images, and may also grant higher rate limits, depending on your registry provider. For further information see Using Docker authenticated pulls. |
version: 2.1
orbs:
node: circleci/node@4.7
executors:
docker: # Docker using the Base Convenience Image
docker:
- image: cimg/base:stable
linux: # a Linux VM running Ubuntu 20.04
machine:
image: ubuntu-2004:202107-02
macos: # macos executor running Xcode
macos:
xcode: 14.2.0
jobs:
test:
parameters:
os:
type: executor
node-version:
type: string
executor: << parameters.os >>
steps:
- checkout
- node/install:
node-version: << parameters.node-version >>
install-yarn: true
workflows:
all-tests:
jobs:
- test:
matrix:
parameters:
os: [docker, linux, macos]
node-version: ["14.17.6", "16.9.0"]List jobs that will run
The expanded version of this matrix runs the following list of jobs under the all-tests workflow:
- test-14.17.6-docker
- test-16.9.0-docker
- test-14.17.6-linux
- test-16.9.0-linux
- test-14.17.6-macos
- test-16.9.0-macosNext steps
For full details of the matrix jobs specification, see the Configuration Reference.