Add Rubocop to CircleCI build

Author: alexrudall

.circleci/config.yml

@@ -1,38 +1,34 @@
 version: 2.1 # Use 2.1 to enable using orbs and other features.
 
 # Declare the orbs that we'll use in our config.
-# read more about orbs: https://circleci.com/docs/2.0/using-orbs/
 orbs:
   ruby: circleci/[email protected]
 
 jobs:
-  build: # our first job, named "build"
+  rubocop:
+    parallelism: 1
     docker:
-      - image: cimg/ruby:2.7-node # use a tailored CircleCI docker image.
+      - image: cimg/ruby:2.7-node
     steps:
-      - checkout # pull down our git code.
-      - ruby/install-deps # use the ruby orb to install dependencies
-
-  test:  # our next job, called "test"
-    # we can run "parallel job containers" to enable speeding up our tests;
-    # this splits our tests across multiple containers.
+      - checkout
+      - ruby/install-deps
+      - run:
+          name: Run Rubocop
+          command: bundle exec rubocop
+  test:
     parallelism: 1
     docker:
-      - image: cimg/ruby:2.7-node # this is our primary docker image, where step commands run.
-    # A series of steps to run, some are similar to those in "build".
+      - image: cimg/ruby:2.7-node
     steps:
       - checkout
       - ruby/install-deps
       - run:
           name: Run tests
           command: bundle exec rspec -fd
 
-# We use workflows to orchestrate the jobs that we declared above.
 workflows:
   version: 2
-  build_and_test:    # The name of our workflow is "build_and_test"
-    jobs:             # The list of jobs we run as part of this workflow.
-      - build         # Run build first.
-      - test:         # Then run test,
-          requires:   # Test requires that build passes for it to run.
-            - build   # Finally, run the build job.
+  checks:
+    jobs:
+      - rubocop
+      - test