build and upload images when publishing

Signed-off-by: zach593 <zach_li@outlook.com>

.github/workflows/release-image.yml

@@ -0,0 +1,30 @@
+name: Release Images
+on:
+  release:
+    types:
+      - published
+jobs:
+  release-image:
+    name: release images
+    # prevent job running from forked repository, otherwise
+    # 1. running on the forked repository would fail as missing necessary secret.
+    # 2. running on the forked repository would use unnecessary GitHub Action time.
+    if: ${{ github.repository == 'karmada-io/karmada' }}
+    runs-on: ubuntu-18.04
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16.x
+      - name: build images
+        env:
+          REGISTRY: ${{secrets.SWR_REGISTRY}}
+          REGISTRY_USER_NAME: ${{secrets.SWR_REGISTRY_USER_NAME}}
+          REGISTRY_PASSWORD: ${{secrets.SWR_REGISTRY_PASSWORD}}
+          REGISTRY_SERVER_ADDRESS: ${{secrets.SWR_REGISTRY_SERVER_ADDRESS}}
+          VERSION: ${{ github.ref_name }}
+        run: make upload-images