add docker image

.github/workflows/multiarchdocker.yaml

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+# Copyright (c) 2022-2024 Ronan LE MEILLAT
+# This program is licensed under the AGPLv3 license.
+name: Docker Build and Push
+
+on:
+  release:
+    types: [ published ]
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Login to DockerHub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Extract metadata (tags, labels) for Docker
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: ${{ secrets.DOCKER_IMAGE }}
+
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v6
+      with:
+        file: Dockerfile
+        context: .
+        platforms: linux/amd64,linux/arm64,linux/arm/v7
+        push: true
+        cache-from: type=gha
+        cache-to: type=gha,mode=max
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}

Dockerfile

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+# (c) 2024 Ronan LE MEILLAT for SCTG Development
+# This file is licensed under the AGPLv3 License
+# See the LICENSE file for more information
+
+FROM node:20 AS builder
+COPY . /app
+WORKDIR /app
+RUN npm ci
+RUN npm run build
+
+FROM nginx:alpine
+COPY --from=builder /app/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]