Welcome to vein’s documentation!¶

vein is a blazing-fast configuration management library built on Flow, a powerful state management engine.

Quick Example¶

from vein import config

# It just worksâ„¢
config.api_key = "secret"
config.timeout = 30
config.database.host = "localhost"

# Real-time updates from environment
from vein.sources import from_env
config.api_key = from_env("API_KEY")

# Change the env var → config updates automatically
# Zero downtime. Zero restarts. Zero hassle.
pip install vein

Indices and tables¶