🎉(all) bootstrap the Calendars project

This repository was forked from Drive in late December 2025 and
boostraped as a minimal demo of backend+caldav server+frontend
integration. There is much left to do and to fix!

.github/workflows/docker-hub.yml

@@ -0,0 +1,104 @@
+name: Docker Hub Workflow
+run-name: Docker Hub Workflow
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'main'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - 'main'
+
+env:
+  DOCKER_USER: 1001:127
+
+jobs:
+  build-and-push-backend:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout repository
+        uses: actions/checkout@v6
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: lasuite/calendars-backend
+      -
+        name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+      -
+        name: Run trivy scan
+        uses: numerique-gouv/action-trivy-cache@main
+        with:
+          docker-build-args: '--target backend-production -f Dockerfile'
+          docker-image-name: 'docker.io/lasuite/calendars-backend:${{ github.sha }}'
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          target: backend-production
+          build-args: DOCKER_USER=${{ env.DOCKER_USER }}:-1000
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  build-and-push-frontend:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout repository
+        uses: actions/checkout@v6
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: lasuite/calendars-frontend
+      -
+        name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+      -
+        name: Run trivy scan
+        uses: numerique-gouv/action-trivy-cache@main
+        with:
+          docker-build-args: '-f src/frontend/Dockerfile --target frontend-production'
+          docker-image-name: 'docker.io/lasuite/calendars-frontend:${{ github.sha }}'
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./src/frontend/Dockerfile
+          target: frontend-production
+          build-args: DOCKER_USER=${{ env.DOCKER_USER }}:-1000
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  notify-argocd:
+    needs:
+      - build-and-push-frontend
+      - build-and-push-backend
+    runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request'
+    steps:
+      - uses: numerique-gouv/action-argocd-webhook-notification@main
+        id: notify
+        with:
+          deployment_repo_path: "${{ secrets.DEPLOYMENT_REPO_URL }}"
+          argocd_webhook_secret: "${{ secrets.ARGOCD_PREPROD_WEBHOOK_SECRET }}"
+          argocd_url: "${{ vars.ARGOCD_PREPROD_WEBHOOK_URL }}"