The link below contains CircleCI’s configuration options.
Jobs: Jobs are collections of steps. All of the steps in the job are executed in a single unit, either within a fresh container or VM.
Steps: Steps are a collection of executable commands which are run during a job.
According to the CircleCI’s official document, Orbs are
Orbs are reusable snippets of code that help automate repeated processes, speed up project setup, and make it easy to integrate with third-party tools.
So Orbs are basically like libraries. You can reuse the code that was written by somebody else.
Run the command below.
$ circleci config validate
If you are working with Orbs you can also validate your orb:
$ circleci orb validate /tmp/my_orb.yml
Here is a simple CircleCI configuration for a react project.
version: 2.1 # list orbs you want to use. orbs: node: firstname.lastname@example.org jobs: # This is the name of this job jest: # Executors define the environment in which the steps of a job will be run executor: name: node/default # Following the usage example of email@example.com. # https://circleci.com/orbs/registry/orb/circleci/node?version=1.1.6 steps: - checkout - node/with-cache: steps: - run: yarn install - run: yarn test workflows: build-and-test: jobs: - build-and-test