fix: workflow 补充 checkout 步骤 #13

	name: 构建并部署后端

	on:
	push:
	branches: [main]
	workflow_dispatch:

	jobs:
	deploy:
	name: 在服务器上编译并部署
	runs-on: ubuntu-latest
	environment: production

	steps:
	- name: 检出代码
	uses: actions/checkout@v4

	- name: 将源码同步到服务器
	uses: appleboy/scp-action@v0.1.7
	with:
	host: ${{ secrets.SERVER_HOST }}
	username: ${{ secrets.SERVER_USER }}
	key: ${{ secrets.SERVER_SSH_KEY }}
	source: "."
	target: "/home/ubuntu/involution-hell"

	- name: 在服务器上构建并启动
	uses: appleboy/ssh-action@v1
	with:
	host: ${{ secrets.SERVER_HOST }}
	username: ${{ secrets.SERVER_USER }}
	key: ${{ secrets.SERVER_SSH_KEY }}
	# 命令超时设长一点，Native Image 编译需要时间
	command_timeout: 30m
	script: \|
	cd /home/ubuntu/involution-hell

	# 构建新镜像（失败则整个 workflow 标红）
	docker build -t involutionhell-backend:latest .

	# 用新镜像重启服务
	docker compose up -d --remove-orphans

Provide feedback