分阶段构建Docker镜像，精简生成镜像体积 (#1752) (#1764)

* 🚀 更新Dockerfile (#1752)

* 🙈 忽略文件夹

* 👷 更新 Dockerfile

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Co-authored-by: fanyinrumeng <42991257+fanyinrumeng@users.noreply.github.com>

.dockerignore

@@ -1,7 +1,11 @@
 .devcontainer/
 .github/
 .vscode/
-assets/
+.idea/
+.pytest_cache/
+.ruff_cache/
+.venv/
+docs_image/
 k8s/
 tests/
 .dockerignore
@@ -9,6 +13,7 @@ tests/
 .gitignore
 .pre-commit-config.yaml
 .prettier*
+.env.dev
 docker-compose.yml
 Dockerfile
 LICENSE