[![Deploy to now](https://deploy.now.sh/static/button.svg)](https://deploy.now.sh/?repo=https://github.com/zeit/next.js/tree/master/examples/with-universal-configuration) # With universal runtime configuration ## How to use ### Using `create-next-app` Download [`create-next-app`](https://github.com/segmentio/create-next-app) to bootstrap the example: ``` npm i -g create-next-app create-next-app --example with-universal-configuration-runtime with-universal-configuration-runtime-app ``` ### Download manually Download the example [or clone the repo](https://github.com/zeit/next.js): ```bash curl https://codeload.github.com/zeit/next.js/tar.gz/canary | tar -xz --strip=2 next.js-canary/examples/with-universal-configuration-runtime cd with-universal-configuration-runtime ``` Install it and run: ```bash npm install API_URL='https://example.com' npm run dev ``` Deploy it to the cloud with [now](https://zeit.co/now) ([download](https://zeit.co/download)) ```bash now ``` ## The idea behind the example This example show how to set custom environment variables for your application at runtime