feat: add workflow for building and publishing docker images

.github/workflows/build-images.yml

@@ -0,0 +1,38 @@
+name: Build images
+
+on:
+#  schedule:
+#    - cron: '0 0 * * *' # Midnight every day
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: amd64,arm64,arm
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          install: true
+
+      - name: Build and publish image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ vars.DOCKERHUB_TAG }}:latest
+          platforms: linux/amd64,linux/arm64,linux/arm/v7