Merge pull request #1 from fga-eps-mds/173_organizar_gateway

173 organizar gateway

config.yml

@@ -0,0 +1,3 @@
+services:
+  - name: user
+    url: http://localhost:8000 

package.json

@@ -1,6 +1,7 @@
 {
   "name": "printgo-gateway",
   "version": "1.0.0",
+  "type": "module",
   "description": "",
   "main": "index.js",
   "scripts": {
@@ -18,7 +19,11 @@
     "cors": "^2.8.5",
     "cross-env": "^7.0.3",
     "dotenv": "^16.3.1",
-    "express": "^4.18.2"
+    "express": "^4.18.2",
+    "express-http-proxy": "^2.0.0",
+    "helmet": "^7.0.0",
+    "js-yaml": "^4.1.0",
+    "morgan": "^1.10.0"
   },
   "devDependencies": {
     "eslint": "^8.52.0",

src/gateway.js

@@ -1,16 +1,37 @@
-const express = require('express');
-const cors = require('cors');
-
+import express from 'express';
+import cors from 'cors';
+import logger from 'morgan';
+import helmet from 'helmet';
+import httProxy from 'express-http-proxy'
+import { resolve } from 'path'
+import { readFileSync } from 'fs'
+import { load } from 'js-yaml'
 const app = express();
 
+const pathFile = resolve(process.cwd(), 'config.yml')
+const  readConfig = readFileSync(pathFile, {encoding: 'utf8'})
+const { services } = load(readConfig, {json: true})
+
 app.use(express.json());
 
 app.use(cors());
+app.use(logger('start'))
+app.use(helmet())
+app.use(express.urlencoded({extended: true}))
+
+app.get('/', (req, res)  => {
+    return res.json({ message: 'Running Gateway' })
+})
+
+services.forEach(({ name, url }) => {
+    app.use(`/${name}`, httProxy(url, {timeout: 3000}))
+
+});
 
 const PORT = process.env.PORT || 4000;
 
 const gateway = app.listen(PORT, () => {
     console.log(`Gateway is running on ${PORT}`);
 });
 
-module.exports = { gateway, app };
+export { gateway, app };