Enable code coverage

.circleci/config.yml

@@ -1,5 +1,8 @@
+---
 # 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 +50,8 @@ jobs:
       - run:
           command: |
             pushd metacpan-docker
-            docker-compose exec -T api_test prove -lr --jobs 2 t
+            docker-compose exec -T api_test env HARNESS_PERL_SWITCHES=-MDevel::Cover prove -lr --jobs 2 t
+            cover
       - run:
           command: |
             pushd metacpan-docker
@@ -56,3 +60,4 @@ jobs:
             docker ps -a | head
           name: docker-compose logs
           when: on_fail
+      - codecov/upload

cpanfile

@@ -43,6 +43,7 @@ requires 'DateTime::Format::ISO8601';
 requires 'DBD::SQLite', '1.66';
 requires 'DBI', '1.643';
 requires 'Devel::ArgNames';
+requires 'Devel::Cover';
 requires 'Digest::MD5';
 requires 'Digest::SHA';
 requires 'ElasticSearchX::Model', '2.0.1';