diff --git a/.circleci/config.yml b/.circleci/config.yml
index 66b09d9..a84574a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,29 +2,24 @@
 jobs: 
   build: 
     docker: 
-      - 
-        auth: 
+      - auth: 
           password: $DOCKERHUB_PASSWORD
           username: xaela37
         image: "cimg/node:14.15.0"
     steps: 
       - checkout
-      - 
-        run: "yarn install"
-      - 
-        save_cache: 
+      - run: "yarn install"
+      - save_cache: 
           key: "npm-v1-dependencies-{{ checksum \"yarn.lock\" }}"
           paths: 
             - node_modules
   end_to_end: 
     docker: 
-      - 
-        auth: 
+      - auth: 
           password: $DOCKERHUB_PASSWORD
           username: xaela37
         image: "cimg/node:14.15.0"
-      - 
-        auth: 
+      - auth: 
           password: $DOCKERHUB_PASSWORD
           username: xaela37
         environment: 
@@ -34,74 +29,74 @@ jobs:
         image: "circleci/postgres:9.6.2-alpine"
     steps: 
       - checkout
-      - 
-        restore_cache: 
+      - restore_cache: 
           keys: 
             - "npm-v1-dependencies-{{ checksum \"yarn.lock\" }}"
-      - 
-        run: 
+      - run: 
           command: "yarn test:e2e"
           environment: 
             DATABASE_URL: "postgres://pguser:pass@localhost:5432/pgdb"
           name: "yarn test"
   lint: 
     docker: 
-      - 
-        auth: 
+      - auth: 
           password: $DOCKERHUB_PASSWORD
           username: xaela37
         image: "cimg/node:14.15.0"
     steps: 
       - checkout
-      - 
-        restore_cache: 
+      - restore_cache: 
           key: "npm-v1-dependencies-{{ checksum \"yarn.lock\" }}"
-      - 
-        run: 
+      - run: 
           command: |-
               yarn lint
               yarn format:check
           name: "step lint"
-  test_unit: 
+  test_unit:
+    steps:
+      - checkout
+      - restore_cache:
+          key: dependencies-{{ checksum "package.json" }}-v1
+      - run:
+          command: yarn test
+          environment:
+            DATABASE_URL: postgres://psqluer:psqlpassword@localhost:5432/psqluer
+ 
+  heroku_deploy: 
     docker: 
-      - 
-        image: "buildpack-deps:trusty"
-        
-    heroku_deploy: ~
-    steps: 
+      - auth: 
+          password: $DOCKERHUB_PASSWORD
+          username: xaela37
+          image: buildpack-deps:trusty
+    steps:
       - checkout
-      - 
-        run: 
-          command: "git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git HEAD:main"
-          name: "Heroku Deploy"
-      - 
-        run: 
+      - run:
+          name: Heroku Deploy
+          command: git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git HEAD:main 
+      - run:
+          name: Smoke Test
           command: |
-              HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKU_APP_NAME.herokuapp.com/`
-              if [ "$HTTPCODE" -ne 200 ];then
-                  echo "heroku app not responding, failing deploy"
-                  exit 1
-              fi
-          name: "Smoke Test"
+            HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://backend-final-devops.herokuapp.com/`
+            if [ "$HTTPCODE" -ne 200 ];then
+                echo "heroku app not responding, failing deploy"
+                exit 1
+            fi
+
 version: 2
 workflows: 
   my_workflow: 
     jobs: 
       - build
-      - 
-        test_unit: 
+      - test_unit: 
           requires: 
             - build
-      - 
-        end_to_end: 
+      - end_to_end: 
           requires: 
             - build
-      - 
-        lint: 
+      - lint: 
           requires: 
             - build
-      - 
-        heroku_deploy: 
+      - heroku_deploy: 
           requires: 
             - build
             - test_unit