diff --git a/.circleci/config.yml b/.circleci/config.yml
index 144172a..7502217 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,121 +1,19 @@
-version: 2
+version: 2.1
 jobs:
   build:
     docker:
-      - image: circleci/python:3.7.9-stretch-browsers
+      - image: circleci/python:3.9-buster-node-browsers
     steps:
       - checkout
       - restore_cache:
-          key: deps1-{{ .Branch }}-{{ checksum "requirements/dev.txt" }}
+          key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}
       - run:
           name: Install dependencies in a python venv
           command: |
             python3 -m venv venv
             . venv/bin/activate
-            pip install -r requirements/dev.txt            
+            pip install -r requirements/dev.txt
       - save_cache:
-          key: deps1-{{ .Branch }}-{{ checksum "requirements/dev.txt" }}
+          key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}
           paths: 
-            - "venv"
-  test:
-    docker:
-      - image: circleci/python:3.7.9-stretch-browsers
-        environment:
-          FLASK_APP: autoapp.py
-          CONDUIT_SECRET: $CONDUIT_SECRET
-          FLASK_DEBUG: 1
-          DATABASE_URL: postgresql://$POSTGRES_USER:$POSTGRES_PASSWORD@localhost:5432/$POSTGRES_DB
-      - image: circleci/postgres:9.5.19-alpine
-        environment:
-          POSTGRES_USER: $POSTGRES_USER
-          POSTGRES_DB: $POSTGRES_DB
-          POSTGRES_PASSWORD: $POSTGRES_PASSWORD
-    steps:
-      - checkout
-      - restore_cache:
-          key: deps1-{{ .Branch }}-{{ checksum "requirements/dev.txt" }}
-      - run:
-          name: Wait for postgres
-          command: dockerize -wait tcp://localhost:5432 -timeout 1m
-      - run: 
-          name: running test
-          command: |
-            . venv/bin/activate
-            flask db upgrade
-            flask test
-  build_docker:
-    environment:
-      IMAGE_NAME: sgttabouret/devops-final-back
-    docker:
-      - image: circleci/buildpack-deps:stretch
-    steps:
-      - checkout
-      - setup_remote_docker
-      - run: docker image build --tag $IMAGE_NAME:app .
-      - run: docker save -o image.tar $IMAGE_NAME
-      - persist_to_workspace:
-          root: .
-          paths:
-            - ./image.tar
-  push_docker:
-    environment:
-      IMAGE_NAME: sgttabouret/devops-final-back
-    docker:
-      - image: circleci/buildpack-deps:stretch
-    steps:
-      - attach_workspace:
-          at: /tmp/workspace
-      - setup_remote_docker
-      - run: docker load -i /tmp/workspace/image.tar
-      - run:
-          name: Login and push to DockerHub
-          command: |
-            echo "$DOCKERHUB_PASS" | docker login --username sgttabouret --password-stdin
-            docker tag $IMAGE_NAME:app $IMAGE_NAME:$CIRCLE_BUILD_NUM
-            docker tag $IMAGE_NAME:app $IMAGE_NAME:latest
-            docker push $IMAGE_NAME:$CIRCLE_BUILD_NUM
-            docker push $IMAGE_NAME:latest
-  deploy_heroku:
-    docker:
-      - image: buildpack-deps:trusty
-    steps:
-      - checkout
-      - run: 
-          name: Heroku deploy
-          command: |
-            git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git main
-workflows:
-  version: 2
-  build-test:
-    jobs:
-      - build 
-      # - test:
-      #     context:
-      #       - back_final
-      #     requires: 
-      #       - build
-      - build_docker:
-          requires:
-            # - test
-            - build
-          context:
-            - back_final
-      - push_docker:
-          requires:
-            - build_docker
-          context:
-            - back_final
-          filters:
-            branches:
-              only:
-                - main
-      - deploy_heroku:
-          requires:
-            # - test
-            - build
-          context:
-            - back_final
-          filters:
-            branches:
-              only:
-                - main
+            - "venv"
\ No newline at end of file