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auth-api

This part of the exercise is responsible for authentication. It is written in Go and tested with Go1.9.

It provides a single useful API endpoint POST /login that takes a simple JSON object and returns an access token in case of successful authentication.

The JSON object structure is following:

{
    "username": "admin",
    "password": "admin",
}

Prerequisites

Users API must be running, because auth-api fetches user data from it (yes, it is a little bit contrived, but anyways it's OVERENGINEERING!)

Configuration

The service scans environment for variables:

  • AUTH_API_PORT - the port the service takes.
  • USERS_API_ADDRESS - base URL of Users API.
  • JWT_SECRET - secret value for JWT generator. Must be shared amongst all components.

Following users are hardcoded for you:

Username Password
admin admin
johnd foo
janed ddd

Building and running

  1. Update the dependencies with glide
glide up
  1. Compile a binary and then run it
go build
AUTH_API_PORT=8000 USERS_API_ADDRESS=http://users-api:8082 JWT_SECRET=foo ./auth-api

Usage

 curl -X POST  127.0.0.1:8000/login -d '{"username": "admin","password": "admin"}'