Push image to ghcr in release

Author: ScriptSmith

.github/workflows/release.yml

@@ -12,6 +12,7 @@ on:
 
 permissions:
   contents: write
+  packages: write
 
 env:
   CARGO_TERM_COLOR: always
@@ -254,10 +255,76 @@ jobs:
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
 
+  # Build and push multi-arch Docker image to GHCR (only on tag push, not dry-run)
+  docker:
+    name: Docker Image
+    if: github.ref_type == 'tag' && !(github.event_name == 'workflow_dispatch' && inputs.dry_run)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}},enable=${{ !startsWith(github.ref, 'refs/tags/v0.') }}
+            type=raw,value=latest
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        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
+
+  # Build multi-arch Docker image without pushing (dry-run validation)
+  docker-dry-run:
+    name: Docker Image (Dry Run)
+    if: github.event_name == 'workflow_dispatch' && inputs.dry_run
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build (no push)
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: false
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
   # Dry-run summary (manual dispatch with dry_run=true)
   dry-run-summary:
     name: Dry Run Summary
-    needs: build
+    needs: [build, docker-dry-run]
     if: github.event_name == 'workflow_dispatch' && inputs.dry_run
     runs-on: ubuntu-latest
     steps: