uv is a fast Python package manager and runner that also manages virtual environments. It provides an isolated, practical workflow for installing and starting Langflow locally. section 2.2
A typical local setup proceeds in four stages:
- Install uv once with pip. section 2.2
- Create and activate a virtual environment. section 2.2
- Install Langflow inside that environment. section 2.2
- Run Langflow with uv, then open its local browser address. section 2.2
pip install uv
The command listing shows the initial uv installation step. section 2.2
uv venv source .venv/bin/activate
The command listing shows virtual-environment creation and activation. section 2.2
uv pip install langflow
The command listing shows Langflow installation through uv. section 2.2
uv run langflow run
The command listing shows how to start Langflow with uv. section 2.2
