chore: 删除 GitHub Actions 工作流，使用 Gitea Actions

.github/workflows/docker.yml

@@ -1,53 +0,0 @@
-name: Build and Push Docker Image
-
-on:
-  push:
-    branches: [main]
-  workflow_dispatch:
-
-env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: cmakecpp/sale
-
-jobs:
-  build-and-push:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Log in to Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build and push image
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          file: ./backend/Dockerfile
-          push: true
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
-          no-cache: true
-
-      - name: Deploy to server via SSH
-        uses: appleboy/ssh-action@v1.0.3
-        with:
-          host: ${{ secrets.SERVER_HOST }}
-          username: ${{ secrets.SERVER_USER }}
-          password: ${{ secrets.SERVER_PASSWORD }}
-          port: 22
-          script: |
-            docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
-            docker stop sale-app || true
-            docker rm sale-app || true
-            docker run -d --name sale-app -p 8080:8080 ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest