ci: add docker container push to gh

Updated the Docker CI workflow to include tag support and improved structure.

.github/workflows/docker-image.yml

@@ -1,16 +1,43 @@
-name: Docker Image CI
+name: Build and Push Docker Image
 
 on:
   push:
-    branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
+    branches: [main]
+    tags: ["v*"]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  build:
+  docker:
     runs-on: ubuntu-latest
 
+    permissions:
+      contents: read
+      packages: write
+
     steps:
-    - uses: actions/checkout@v4
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag patrickcanal.it:$(date +%s)
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}