add ghcr publish

.github/workflows/ghrc-push-main.yml

@@ -6,7 +6,6 @@ env:
 on:
   push:
     branches: [main]
-  pull_request:
 
 jobs:
   build-arm64:

.github/workflows/ghrc-push-release.yml

@@ -0,0 +1,87 @@
+name: release - publish docker image to ghcr (latest)
+
+env:
+  IMAGE_NAME: ghcr.io/${{ github.repository_owner }}/archgw
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build-arm64:
+    runs-on: [linux-arm64]
+    permissions: { contents: read, packages: write }
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value={{tag}}
+
+      - name: Build and Push ARM64 Image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./arch/Dockerfile
+          platforms: linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}-arm64
+
+  build-amd64:
+    runs-on: ubuntu-latest
+    permissions: { contents: read, packages: write }
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value={{tag}}
+
+      - name: Build and Push AMD64 Image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./arch/Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}-amd64
+
+  create-manifest:
+    runs-on: ubuntu-latest
+    needs: [build-arm64, build-amd64]
+    permissions: { contents: read, packages: write }
+    steps:
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value={{tag}}
+
+      - name: Create Multi-Arch Manifest
+        run: |
+          docker buildx imagetools create -t ${{ steps.meta.outputs.tags }} \
+            ${{ steps.meta.outputs.tags }}-arm64 \
+            ${{ steps.meta.outputs.tags }}-amd64