ci: create docker push only workflow

and change default behaviour: deploy when tag is created instead

.github/workflows/CD.yml

@@ -1,32 +1,34 @@
-name: CD
+name: CI/CD prod
 
 on:
-  push:
-    branches:
-      - main
+  release:
+    types: published
 
 jobs:
   push_image_to_docker_hub:
-    name: Push Docker image to Docker Hub
+    name: Build and push image to Docker Hub
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repo
         uses: actions/checkout@v3
+
       - name: Docker meta
         id: docker_meta
-        uses: docker/metadata-action@v5.0.0
+        uses: docker/metadata-action@v5.5.1
         with:
           images: sonny93/my-links
           flavor: latest=true
           tags: |
-            type=sha,prefix=
+            type=semver,pattern={{version}}
+
       - name: Login to DockerHub
-        uses: docker/login-action@v3.0.0
+        uses: docker/login-action@v3.1.0
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
+
       - name: Build and push
-        uses: docker/build-push-action@v5.0.0
+        uses: docker/build-push-action@v5.3.0
         with:
           file: ./Dockerfile
           context: .