添加GitHub Actions自动构建Docker镜像工作流

- 创建了自动构建和推送Docker镜像的GitHub Actions工作流
- 支持多架构构建 (linux/amd64, linux/arm64)
- 自动推送到Docker Hub和阿里云容器镜像服务
- 更新Dockerfile以优化构建过程
- 更新README.md包含Docker镜像信息

.github/workflows/docker-build.yml

@@ -0,0 +1,58 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v2
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Login to DockerHub
+      uses: docker/login-action@v2
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+    - name: Login to Alibaba Cloud Container Registry
+      uses: docker/login-action@v2
+      with:
+        registry: registry.cn-huhehaote.aliyuncs.com
+        username: ${{ secrets.ALIBABA_USERNAME }}
+        password: ${{ secrets.ALIBABA_PASSWORD }}
+
+    - name: Extract metadata (tags, labels) for Docker
+      id: meta
+      uses: docker/metadata-action@v4
+      with:
+        images: |
+          joestar817/dell-fans-controller-docker
+          registry.cn-huhehaote.aliyuncs.com/lkddi_image/dell-fans-controller-docker
+        tags: |
+          type=ref,event=branch
+          type=ref,event=pr
+          type=sha,prefix={{branch}}-
+          latest
+
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v4
+      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