Update release_gen.yml

.github/workflows/release_gen.yml

@@ -1,12 +1,16 @@
 name: Release
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 on:
   push:
     tags:
       - "v[0-9]+.[0-9]+.[0-9]+"
 
 jobs:
-    build:
+    release-gen:
         runs-on: ubuntu-latest
         permissions:
           contents: write
@@ -16,3 +20,37 @@ jobs:
           with:
             allowUpdates: true
             generateReleaseNotes: true
+
+    build-and-push-image:
+      runs-on: ubuntu-latest
+      permissions:
+        contents: read
+        packages: write
+      steps:
+        - name: Checkout
+          uses: actions/checkout@v3
+        - name: Docker meta
+          id: meta
+          uses: docker/metadata-action@v4
+          with:
+            images: ghcr.io/${{ env.IMAGE_NAME }}
+        - name: Set up QEMU
+          uses: docker/setup-qemu-action@v2
+        - name: Set up Docker Buildx
+          uses: docker/setup-buildx-action@v2
+        - name: Log in to the Container registry
+          uses: docker/login-action@v2
+          with:
+            registry: ghcr.io
+            username: ${{ github.actor }}
+            password: ${{ github.token }}
+        - name: Build and push Docker image
+          uses: docker/build-push-action@v4
+          with:
+            context: .
+            platforms: linux/amd64 #,linux/arm64
+            push: true
+            tags: ${{ steps.meta.outputs.tags }}
+            labels: ${{ steps.meta.outputs.labels }}
+            cache-from: type=gha
+            cache-to: type=gha,mode=max