Configuring environment variable for port, plus bugfix for #3 PR (#5)

* added hapi-set-header dependency

this dependency adds the function to globally set an header

* setting the header Access-Control-Allow-Origin to *

* Updated Yarn lockfile

* using port from environment for containerization

* using port from environment for containerization

* bugfix

* bugfix

* bugfix

* configuring docker image-UNSTABLE

Dockerfile

@@ -0,0 +1,6 @@
+FROM node:8-alpine
+EXPOSE 8080
+RUN apk update && apk add yarn
+COPY /* /
+RUN yarn install
+CMD npm start

package.json

@@ -5,7 +5,7 @@
     "email": "moebiusmania@gmail.com"
   },
   "engines": {
-    "node": "8.5.0"
+    "node": "^8.5.0"
   },
   "version": "1.0.0",
   "main": "src/server.mjs",

src/server.mjs

@@ -7,16 +7,20 @@ import status from './routes/status';
 import traffic from './routes/traffic';
 import Hapi from 'hapi';
 import setHeader from 'hapi-set-header';
-import { PORT } from './constants';
+import {PORT} from './constants';
+
+const CONF_PORT = process.env.PORT || PORT;
 
 const server = new Hapi.Server();
 setHeader(server, 'Access-Control-Allow-Origin', '*');
 
 const ROUTES = [main, twitter, news, status, traffic];
 
-server.connection({ port: PORT });
+server.connection({ port: CONF_PORT });
+setHeader(server, 'Access-Control-Allow-Origin', '*');
 
 ROUTES.forEach( module => server.route(module) );
 
-console.log(`Starting service at port ${PORT}`);
+console.log(`Starting service at port ${CONF_PORT}`);
+
 server.start(() => {});

yarn.lock

@@ -1575,6 +1575,10 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.2:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
+hapi-set-header@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/hapi-set-header/-/hapi-set-header-1.0.2.tgz#2afae002c6719d6d54f3fa88462f822892d2df13"
+
 hapi@16.5.2:
   version "16.5.2"
   resolved "https://registry.yarnpkg.com/hapi/-/hapi-16.5.2.tgz#d1dadf33721c6ac3aaa905ce086d9c7ffb883092"