feat: github action add workflow

.github/workflows/build_docker.yml

@@ -0,0 +1,27 @@
+name: Build and Push Docker Image to Alibaba Cloud
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Login to Alibaba Cloud Container Registry
+        env:
+          DOCKER_REGISTRY: ${{ secrets.ALICLOUD_REGISTRY }}
+          DOCKER_USERNAME: ${{ secrets.ALICLOUD_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.ALICLOUD_PASSWORD }}
+        run: |
+          echo $DOCKER_PASSWORD | docker login --username=$DOCKER_USERNAME --password-stdin $DOCKER_REGISTRY
+      - name: Build Docker image
+        run: docker build -t ${{ secrets.ALICLOUD_REGISTRY }}/ss1917/codo-gateway:latest .
+
+      - name: Push Docker image
+        run: docker push ${{ secrets.ALICLOUD_REGISTRY }}/ss1917/codo-gateway:latest