Prepare for v2.2.0 release

.github/workflows/docker-publish.yml

@@ -0,0 +1,31 @@
+name: Docker Image CI/CD
+
+on:
+  push:
+    tags:
+      - 'v*.*.*' # Trigger on tags matching semantic versioning (e.g., v2.0.0)
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Log in to Docker Hub
+      uses: docker/login-action@v2
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Build and Push Docker Image
+      uses: docker/build-push-action@v4
+      with:
+        push: true
+        tags: |
+          lklynet/dashly:${{ github.ref_name }}
+          lklynet/dashly:latest