12-Factor Packages

Better environment variable handling for Twelve-Factor node apps

continuously updated JS infrastructure for Node.js microservice or API gateway service

Check needed environment variables

simple tool to wrap fetching of env variables in node.js

Multifactor

Configurable port and subdomain routing for ExpressJS.

Vite plugin which enables you to configure your environment variables when deploying your app.

Heirarchical configuration with environment variable coercion and type validation.