@workablehr/orka

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Orka

A modern Node.js framework based on koa@2 that comes powered with RabbitMQ, Kafka, MongoDB and Redis integrations out of the box.

Installation

npm install @workablehr/orka

Usage

Orka uses some defaults for the below values in your config.js

config = {
  nodeEnv :'development';
  app: {
    name: 'orka', // will be used as newrelic name, rabbit-queue prefix
    env: 'demo' // will be used as newrelic, honeybadger env - defaults to NODE_ENV
  },
  mongodb: {
    url: '',
    options: {}
  },
  redis: {
    url:'',
    options: {
      tls: {     // If those fields are empty they will not be passed in
        ca: [],  // Redis driver. This way you can have the same app working
        cert: '',// with a redis that support tls and a redis that doesn't with
        key: ''  // environment variable changes only.
      }
    }
  }
  honeybadger:{
    apiKey: '', // will not add honeybadger by default
  }
  newRelicLicenseKey: '', // will not add newrelic by default
  log : {
    pattern: '%[[%d] [%p] %c%] %m',
    level: 'debug',
  },
  port: 3000,
  cors: {
    allowedOrigins: ['localhost', 'lvh.me'],
    credentials: true, // Adds cors needed for exchanging cookies over https.
    publicPrefixes: ['/publicEndpoints/foo/bar'] // ctx.path prefixes that will return access-control-allow-origin: *
    …
  },
  traceHeaderName: 'X-Orka-Request-Id', // for logging in http requests
  visitor: { orka: true, cookie : 'wmc' }, // for adding visitor id in ctx.state
  headersRegex: '^X-.*', // for logging headers in http requests
  blacklistedErrorCodes: [404] // will not send to honeybadger requests with this status
}

const { orka } = require('@workablehr/orka');

// these options are the defaults
orka({
  appName: '', // defaults to config.app.name
  typescript: false,
  honeyBadger: {
    developmentEnvironments: ['development', 'test']
  },
  routesPath: path.resolve('./config/routes'),
  diamorphosis: {
    configFolder: path.resolve('config'),
    configPath: path.resolve('config/config.js'),
    envFolder: path.resolve('config/env')
    loadDotEnv: ['development']
  },
  beforeMiddleware: async (app, config) => [], // return array of Middlewares or one Middleware
  afterMiddleware: async (app, config) => [], // return array of Middlewares or one Middleware
  beforeStart: [] // functions to run before start
}).start();

// this way you can update some configuration with envs only.

Using the builder you can access a fluent API for initiliazing your server.

const { builder } = require('@workablehr/orka');

builder({…some static options here…})
  .forTypeScript()
  .withRabbitMQ('my-app-name')
  .withHoneyBadger({…})
  .withMongoDB()
  .withRedis()
  .use((app, config) => async (ctx, next) => {…before middleware…})
  .useDefaults() // riviere, cors, etc.
  .use((app, config) => async (ctx, next) => {…after middleware…})
  .routes('./routes/my-routes')
  .start(8080)

For detailed usage please see the documentation.