Use Devel::Cover in CI

.circleci/config.yml

@@ -1,5 +1,9 @@
-# Use the latest 2.1 version of CircleCI pipeline process engine. See: https://circleci.com/docs/2.0/configuration-reference
+---
+# Use the latest 2.1 version of CircleCI pipeline process engine. See:
+# https://circleci.com/docs/2.0/configuration-reference
 version: 2.1
+orbs:
+  codecov: codecov/codecov@4.1.0
 # Orchestrate or schedule a set of jobs
 workflows:
   docker-compose:
@@ -47,7 +51,18 @@ jobs:
       - run:
           command: |
             pushd metacpan-docker
-            docker-compose exec -T api_test prove -lr --jobs 2 t
+            docker-compose exec -T api_test cpm install -g Devel::Cover
+          name: install Devel::Cover
+      - run:
+          command: |
+            pushd metacpan-docker
+            docker-compose exec -T api_test env HARNESS_PERL_SWITCHES=-MDevel::Cover prove -lr --jobs 2 t
+          name: run tests with coverage
+      - run:
+          command: |
+            pushd metacpan-docker
+            docker-compose exec -T api_test cover
+          name: generate coverage report
       - run:
           command: |
             pushd metacpan-docker
@@ -56,3 +71,4 @@ jobs:
             docker ps -a | head
           name: docker-compose logs
           when: on_fail
+      - codecov/upload