feat: run TreatVault as a service image

.gitea/workflows/main-image.yml

@@ -0,0 +1,50 @@
+name: Build and Push Image
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  REGISTRY_HOST: registry.campbellwireless.net
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  docker-build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        run: |
+          git init
+          git remote add origin "${{ github.server_url }}/${{ github.repository }}.git"
+          git config http.extraheader "Authorization: Basic $(printf '%s' '${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}' | base64)"
+          git fetch --depth=1 origin "${{ github.sha }}"
+          git checkout FETCH_HEAD
+
+      - name: Compute image tags
+        id: tags
+        run: echo "sha_short=$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY_HOST }}
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ${{ env.REGISTRY_HOST }}/${{ env.IMAGE_NAME }}:latest
+            ${{ env.REGISTRY_HOST }}/${{ env.IMAGE_NAME }}:${{ steps.tags.outputs.sha_short }}