add release image workflow

.github/workflows/release-image.yml

@@ -0,0 +1,47 @@
+name: release-image
+
+on:
+  push:
+    branches:
+      - main
+    tags:        
+      - 6.*
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  release-image:
+    permissions:
+      contents: read
+      packages: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log into the container registry
+        uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81
+        with:
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          file: ./Dockerfile