ci: add deployment workflow on tags

Author: BoxBoxJason

.github/workflows/build.yml

@@ -0,0 +1,46 @@
+name: build-image
+
+on:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Set up version variables
+        id: vars
+        run: |
+          VERSION=${{ github.ref_name}}
+          MAJOR=$(echo $VERSION | cut -d. -f1)
+          MINOR=$(echo $VERSION | cut -d. -f2)
+          echo "MAJOR=$MAJOR" >> $GITHUB_ENV
+          echo "MINOR=$MINOR" >> $GITHUB_ENV
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: Containerfile
+          push: true
+          sbom: true
+          build-args: |
+            GITLAB_SYNC_VERSION=${{ github.ref_name }}
+          tags: |
+            ghcr.io/${{ github.repository }}:${{ github.ref_name}}
+            ghcr.io/${{ github.repository }}:${{ env.MAJOR }}.${{ env.MINOR }}
+            ghcr.io/${{ github.repository }}:latest