_1、安装docker
_2、安装LangFlow
docker run -p 7860:7860 langflowai/langflow:latest
_3 、通过http://localhost:7860/访问Langflow。
_4、查看langflow的版本
_5、保存镜像用于离线环境安装。docker save langflowai/langflow:latest -o langflow-1.7.3.tar
root@rocky95temp yum.repos.d# docker run -p 7860:7860 langflowai/langflow:latest
Unable to find image 'langflowai/langflow:latest' locally
latest: Pulling from langflowai/langflow
119d43eec815: Pull complete
83e2eb8c4c73: Pull complete
671677b67e76: Pull complete
3d6ef8a4ce0a: Pull complete
e586d683444e: Pull complete
6dc4c9134880: Pull complete
d1b6a95c87e4: Pull complete
c151ed247c47: Pull complete
77248f730306: Pull complete
4f4fb700ef54: Pull complete
Digest: sha256:40d1807209bbd80a9e365e2a79e88390bab167515547891652efe5246db59f23
Status: Downloaded newer image for langflowai/langflow:latest
/app/.venv/lib/python3.12/site-packages/langflow/main.py:20: FastAPIPaginationWarning: Pydantic v2.12.5 or higher is required for full compatibility. Please upgrade your Pydantic version
to avoid potential issues.Support for Pydantic versions lower than v2.12.5 will be dropped in fastapi-pagination v0.16.0.
from fastapi_pagination import add_pagination
✓ Initializing Langflow...
✓ Checking Environment...
▣ Starting Core Services...2026-02-04T12:52:35.664479Z warning CORS: Using permissive defaults (all origins + credentials). Set LANGFLOW_CORS_ORIGINS for production. Stricter default
s in v2.0.
✓ Starting Core Services...
✓ Connecting Database...
✓ Loading Components...
✓ Adding Starter Projects...
□ Launching Langflow...2026-02-04T12:52:37.536074Z info Initializing alembic
□ Launching Langflow...2026-02-04T12:52:38.109471Z warning Column 'created_at' has type DATETIME in table 'apikey'
2026-02-04T12:52:38.111461Z warning Column 'created_at' has type DATETIME in table 'variable'
2026-02-04T12:52:38.111620Z warning Column 'updated_at' has type DATETIME in table 'variable'
■ Launching Langflow.../app/.venv/lib/python3.12/site-packages/lfx/schema/cross_module.py:48: PydanticDeprecatedSince211: Accessing the 'model_fields' attribute on the instance is deprec
ated. Instead, you should access this attribute from the model class. Deprecated in Pydantic V2.11 to be removed in V3.0.
if not hasattr(instance, "model_fields"):
✓ Launching Langflow...
╭─────────────────────────────────────────────────────────────────────────╮
│ │
│ Welcome to Langflow │
│ │
│ 🌟 GitHub: Star for updates → https://github.com/langflow-ai/langflow │
│ 💬 Discord: Join for support → https://discord.com/invite/EqksyE2EX9 │
│ │
│ We collect anonymous usage data to improve Langflow. │
│ To opt out, set: DO_NOT_TRACK=true in your environment. │
│ │
│ 🟢 Open Langflow → http://localhost:7860 │
│ │
╰─────────────────────────────────────────────────────────────────────────╯
2026-02-04T12:53:44.900523Z info File _mcp_servers_05fa6f66-0332-4a48-93c8-9c3d4c7f8570.json saved successfully in flow 05fa6f66-0332-4a48-93c8-9c3d4c7f8570.
2026-02-04T12:53:44.930743Z info File _mcp_servers_05fa6f66-0332-4a48-93c8-9c3d4c7f8570.json deleted successfully from flow 05fa6f66-0332-4a48-93c8-9c3d4c7f8570.
2026-02-04T12:53:44.962211Z info File _mcp_servers_05fa6f66-0332-4a48-93c8-9c3d4c7f8570.json saved successfully in flow 05fa6f66-0332-4a48-93c8-9c3d4c7f8570.