diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 972c8dbd0fbef7cbd1280d635dc10dcf346b2cb3..48f1e1933fc25d2558aa38cc9f1dde777622c9bd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,17 +26,6 @@ image: python:3.9
 # Password: $MYSQL_PASSWORD
 # Database: $MYSQL_DATABASE
 
-# cache:
-#   paths:
-#     - .cache/pip
-#     - venv/
-    # - env/
-
-# before_script:
-  # - python --version  # For debugging
-  # - pip install venv
-  # - python3 -m venv /venv
-  # - source /venv/bin/activate
 
 stages:
   - build
@@ -57,17 +46,28 @@ workflow:
 ####                                                                                                                               ####
 #######################################################################################################################################
 
-install:
+install-virtualenv:
   stage: build
+  cache: 
+    paths:
+      - venv/
+    expire_in: 30 mins
   script:
     - python3 -m venv ./venv
     - source ./venv/bin/activate
     - pip install --upgrade pip && pip install pip-tools
     - pip install -r ./backend/requirements.txt
-  artifacts:
+
+
+install-npm-packages:
+  stage: build
+  cache:
     paths:
-      - ./venv/
+      - node_modules/
     expire_in: 30 mins
+  script:
+    - cd ./frontend
+    - npm ci
 
 #######################################################################################################################################
 ####                                                                                                                               ####
@@ -82,16 +82,18 @@ lint-back:
     - pip install pycodestyle
   script:
     - pycodestyle --config=./backend/setup.cnf ./backend
+  dependencies:
+    - install-virtualenv
 
 
 lint-front:
   image: node:14.6.0
   stage: test
-  before_script:
-    - cd frontend/
-    - npm install
   script:
+    - cd frontend/
     - npm run lint
+  dependencies:
+    - install-npm-packages
 
 
 # test:
@@ -159,7 +161,7 @@ lint-front:
       docker-compose up -d &&
       exit" ; else
     - cd ./frontend
-    - npm install && npm run build
+    - npm run build
     - scp -r build/ eatfast@"$DOMAIN":/var/www/eatfast-website/frontend ; fi
 
 
@@ -182,6 +184,7 @@ deploy-back-prod:
     DOMAIN: eatfast.cs-campus.fr
     PRIVATE_KEY: "$SSH_PRIVATE_KEY"
     IMAGE: "back"
+  dependencies: []
 
 
 deploy-front-prod:
@@ -193,3 +196,5 @@ deploy-front-prod:
     DOMAIN: eatfast.cs-campus.fr
     PRIVATE_KEY: "$SSH_PRIVATE_KEY"
     IMAGE: "front"
+  dependencies:
+    - install-npm-packages