diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 3502ee60..42dfc4ee 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -1,4 +1,4 @@
-name: tests
+name: build docker image
 
 on: push
 
@@ -7,50 +7,37 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: JS tests
+      - name: build client webpack
         run: |
           cd frontend/
           npm ci
-          npm run test
-          npm run deploy
-          npm run deploy:dev
-      - name: PHP tests
+          npm run js
+      - name: prepare server
         run: |
-          cd backend/
-          php7.4 -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
-          php7.4 composer-setup.php
-          php7.4 -r "unlink('composer-setup.php');"
-          sudo apt-get -y install php-mbstring php-intl php-xml php-sqlite3 php-mysql php-zip php-ldap php-gd
-          php7.4 composer.phar -n install
-          bin/cake migrations migrate
-          php7.4 vendor/bin/phpunit --debug
-      - name: Pull previous Docker image
-        run: |
-          docker pull getcaps/caps:develop
+          cd api/
+          npm ci
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Docker meta
         id: meta
         uses: crazy-max/ghaction-docker-meta@v2
         with:
-          images: getcaps/caps
-          tags: |
-            type=ref,event=tag
-            type=ref,event=branch
-            type=semver,pattern={{version}}
-      - name: Login to DockerHub
-        uses: docker/login-action@v1 
+          images: harbor.cs.dm.unipi.it/caps/caps
+          tags: api
+      - name: Login to harbor
+        uses: docker/login-action@v3
         if: ${{ github.event_name != 'pull_request' }}
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          registry: harbor.cs.dm.unipi.it
+          username: ${{ secrets.HARBOR_CAPS_ROBOT }}
+          password: ${{ secrets.HARBOR_CAPS_SECRET }}
       - name: Build and push
         id: docker_build
         uses: docker/build-push-action@v2
         if: ${{ github.event_name != 'pull_request' }}
         with:
           push: true
-          cache-from: type=registry,ref=getcaps/caps:develop
+          cache-from: type=registry,ref=harbor.cs.dm.unipi.it/caps/caps:api
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
       - name: Trigger update on Watchtower