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next.js/examples/with-ioc/README.md
James Hegedus f2e56609cd Examples: stabalise README format and create-next-app usage (#4009)
* Examples: clarify language around Yarn create & npx

* add missing READMEs and create-next-app usage

* suggest people tag jthegedus in firebase related issues

* add yarn alt instructions

* cerebraljs example readme & fixes
2018-04-03 14:19:05 +02:00

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[![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-ioc)
# Dependency Injection (IoC) example ([ioc](https://github.com/alexindigo/ioc))
## How to use
### Using `create-next-app`
Execute [`create-next-app`](https://github.com/segmentio/create-next-app) with [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) or [npx](https://github.com/zkat/npx#readme) to bootstrap the example:
```bash
npx create-next-app --example with-ioc with-ioc-app
# or
yarn create next-app --example with-ioc with-ioc-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-ioc
cd with-ioc
```
Install it and run:
```bash
npm install
npm run dev
# or
yarn
yarn 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 uses [ioc](https://github.com/alexindigo/ioc) for dependency injection, which lets you create decoupled shared components and keep them free from implementation details of your app / other components.
It builds on top of [with-next-routes](https://github.com/zeit/next.js/tree/master/examples/with-next-routes) example and makes use of dependency injection to propagate custom `Link` component to other components.
Also, it illustrates ergonomics of testing using dependency injection.