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node-dependency-injection

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Express app that uses awilix for dependency injection

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# Dependency Injection in Node with awilix

This repository contains sample code on how to do dependency injection with the [awilix](https://github.com/jeffijoe/awilix) framework.

<h3 align="center">Please help this repo with a ⭐️ if you find it useful! 😁</h3>

This repository is part of the [Dependency Injection in Node](https://www.youtube.com/playlist?list=PL1Nml43UBm6ez_JKgCUpgkwfh9oQLjVmm) tutorial series provided by [productioncoder.com](https://productioncoder.com/).

[![Request body validation in Node](https://raw.githubusercontent.com/jangbl/node-dependency-injection/master/images/dependency-injection-in-node.png)](https://www.youtube.com/playlist?list=PL1Nml43UBm6ez_JKgCUpgkwfh9oQLjVmm)

For updates, please reach out to [@_jgoebel](https://twitter.com/_jgoebel) on Twitter.

# How to run this application

## Running the project

### Install dependencies

Make sure to install the dependencies with `npm`

```
npm install
```

### Running a local Postgres instance

Make sure that you have a local Postgres instance running and that you execute the `SQL` statment in the `migrations` directory.

After you have created the tables, make sure that you update the `config/index.js` file with your Postgres configuration (hostname, port, password, etc)

### Starting up the local server

You can then run the project by executing

```
npm run dev
```

## API

### POST /dev

Expected payload

```
{
    "email": "john@example.com",
    "firstName": "John",
    "middleNames": "Alexander Tom",
    "lastName": "Smith"
}
```

The server will return a `400` bad request error if the request body does not conform to the expected DTO (data transfer object).

This endpoint will normalize the `firstName` field by truncating the whitespace and by moving all names after the first space to the middle names field.

Please check out the `./dto` directory to learn more about the expected request body.

### GET /dev/:id

`GET /dev/:id` returns a developer associated with the specified `id`.
Response format:

```
{
    "email": "john@example.com",
    "firstName": "John",
    "middleNames": "Alexander Tom",
    "lastName": "Smith"
}
```

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