✏️ Fix steps structure

.circleci/config.yml

@@ -104,12 +104,14 @@ jobs:
 
   deploy-heroku:
     <<: *shared-config
-    steps:
-      - setup_dependencies
-      -docker:
+    docker:
       - image: buildpack-deps:trusty
+        auth:
+          username: *dockerhub-user-id
+          password: *dockerhub-password
     steps:
       - checkout
+      - setup_dependencies
       - run:
           name: Heroku Deploy
           command: git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git HEAD:main