diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..93e4283
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,40 @@
+name: Build Docker Images
+
+on:
+  workflow_run:
+    workflows:
+      - Test Python backend
+    types:
+      - completed
+  workflow_dispatch:
+
+jobs:
+  build:
+    if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set lower case owner name
+        run: |
+          echo "OWNER_LC=${OWNER,,}" >>${GITHUB_ENV}
+        env:
+          OWNER: '${{ github.repository_owner }}'
+
+      - name: Build Docker image for backend
+        run: |
+          cd backend-flask
+          docker build -t ghcr.io/${OWNER_LC}/availabili-tf-backend-flask:latest .
+          docker push ghcr.io/${OWNER_LC}/availabili-tf-backend-flask:latest