Resolve the config file from CHILL_CONFIG env in the knexfile

Author: kabirbaidhya

knexfile.js

@@ -1,7 +1,7 @@
 require('babel-register');
 
 const config = require('./src/config/config');
-const dbConfig = config.resolve().db;
+const dbConfig = config.resolve(process.env.CHILL_CONFIG).db;
 
 module.exports = Object.assign({}, dbConfig, {
   migrations: {