ci(docker): 更新 Docker 镜像构建和推送配置

- 添加环境变量配置，提高配置的可维护性和可重用性
- 增加 CNB（中国软件供应链平台）镜像仓库的登录和推送
- 优化镜像名称和标签的生成逻辑，使用环境变量替代硬编码值
- 保持原有的 DockerHub 和阿里云镜像仓库的推送

Author: eryajf

.github/workflows/build-docker-image.yml

@@ -20,6 +20,14 @@ on:
         default: 'warning'
       tags:
         description: 'Test scenario tags'
+env:
+  DOCKERHUB_USERNAME: eryajf
+  ALIHUB_URL: registry.cn-hangzhou.aliyuncs.com
+  ALIHUB_USERNAME: eryajf
+  CNBHUB_URL: docker.cnb.cool
+  CNBHUB_USERNAME: cnb
+  IMAGE_NAME: cloud_dns_exporter
+
 
 jobs:
   buildx:
@@ -48,17 +56,25 @@ jobs:
       - name: Login to DockerHub
         uses: docker/login-action@v2
         with:
-          username: eryajf
+          username: ${{ env.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      
+
       # 镜像推送到 阿里云仓库
       - name: Login to the Ali Registry
         uses: docker/login-action@v2
         with:
-          registry: registry.cn-hangzhou.aliyuncs.com
-          username: eryajf
+          registry: ${{ env.ALIHUB_URL }}
+          username: ${{ env.ALIHUB_USERNAME }}
           password: ${{ secrets.ALIHUB_TOKEN }}
 
+      # 镜像推送到 CNB
+      - name: Login to the CNB Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.CNBHUB_URL }}
+          username: ${{ env.CNBHUB_USERNAME }}
+          password: ${{ secrets.CNB_TOKEN }}
+
       - name: Build and push
         uses: docker/build-push-action@v4
         with:
@@ -70,7 +86,9 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           # 给清单打上多个标签
           tags: |
-            eryajf/cloud_dns_exporter:latest
-            eryajf/cloud_dns_exporter:${{ steps.date.outputs.today }}
-            registry.cn-hangzhou.aliyuncs.com/eryajf/cloud_dns_exporter:${{ env.GITHUB_REF_NAME }}
-            registry.cn-hangzhou.aliyuncs.com/eryajf/cloud_dns_exporter:latest
+            ${{ env.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
+            ${{ env.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:${{ steps.date.outputs.today }}
+            ${{ env.ALIHUB_URL }}/${{ env.ALIHUB_USERNAME }}/${{ env.IMAGE_NAME }}:${{ env.GITHUB_REF_NAME }}
+            ${{ env.ALIHUB_URL }}/${{ env.ALIHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
+            ${{ env.CNBHUB_URL }}/znb/images/${{ env.IMAGE_NAME }}:${{ env.GITHUB_REF_NAME }}
+            ${{ env.CNBHUB_URL }}/znb/images/${{ env.IMAGE_NAME }}:latest