💚 add app_name

.circleci/config.yml

@@ -121,6 +121,8 @@ jobs:
             git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git main
       - run:
           name: Smoke Test
+          environment:
+            HEROKU_APP_NAME: devops-final-back-2020-2021
           command: |
             HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKU_APP_NAME.herokuapp.com/api/articles`
               if [ "$HTTPCODE" -ne 200 ];then