ci: push github container registry

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>

.github/workflows/release.yml

@@ -1,6 +1,7 @@
 name: release
 
 on:
+  workflow_dispatch:
   push:
     tags:
     - 'v*'
@@ -16,16 +17,45 @@ jobs:
 
       - uses: docker/login-action@v3
         with:
-          username: zhaojh329
+          username: ${{ github.repository_owner }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - uses: docker/build-push-action@v6
         with:
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: |
             zhaojh329/rttys:${{ steps.get-version.outputs.version-without-v }}
             zhaojh329/rttys:latest
 
+  ghcr:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+
+      - id: get-version
+        uses: battila7/get-version-action@v2
+
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            ghcr.io/${{ github.repository_owner }}/rttys:${{ steps.get-version.outputs.version-without-v }}
+            ghcr.io/${{ github.repository_owner }}/rttys:latest
+
   build:
     runs-on: ubuntu-24.04
     steps: