fixing linting warnings

server.js

@@ -7,19 +7,19 @@ const views = require('koa-views')
 const Router = require('./core/routes')
 
 const app = new Koa()
-const port = process.env.SERVER_PORT || 8080
+const port = process.env.SERVER_PORT
 
 app.use(views(`${__dirname}/core/views`,
-{
-    extension: 'hbs',
-    options: {
-        partials: {
-            header: `${__dirname}/core/views/partials/header`,
-            footer: `${__dirname}/core/views/partials/footer`
-        }
-    },
-    map: { hbs: 'handlebars' }
-}))
+	{
+		extension: 'hbs',
+		options: {
+			partials: {
+				header: `${__dirname}/core/views/partials/header`,
+				footer: `${__dirname}/core/views/partials/footer`
+			}
+		},
+		map: { hbs: 'handlebars' }
+	}))
 
 app.use(Router.routes())
 app.use(Router.allowedMethods())