attaching postgresql db on heroku to server

Author: David Lee

server.js

@@ -12,7 +12,7 @@ const image = require('./controllers/image');
 const db = knex({
     client: 'pg',
     connection: {
-      host : '127.0.0.1',
+      host : 'postgresql-slippery-54423',
       user : '',
       password : '',
       database : 'smart-brain'