fix: issue topcoder-platform#634

Author: yoution

README.md

@@ -329,10 +329,7 @@ Configuration for migration is at `./config/config.json`.
 
 The following parameters can be set in the config file or via env variables:
 
-- `username`: set via env `DB_USERNAME`; datebase username
-- `password`: set via env `DB_PASSWORD`; datebase password
-- `database`: set via env `DB_NAME`; datebase name
-- `host`: set via env `DB_HOST`; datebase host name
+- `url`: set via env `DATABASE_URL`; datebase url
 
 ## Testing
 

config/config.js

@@ -4,24 +4,12 @@
 
 module.exports = {
   development: {
-    username: process.env.DB_USERNAME || 'postgres',
-    password: process.env.DB_PASSWORD || 'postgres',
-    database: process.env.DB_NAME || 'postgres',
-    host: process.env.DB_HOST || '127.0.0.1',
-    dialect: 'postgres'
+    url: process.env.DATABASE_URL || 'postgres://postgres:postgres@localhost:5432/postgres',
   },
   test: {
-    username: process.env.DB_USERNAME || 'postgres',
-    password: process.env.DB_PASSWORD || 'postgres',
-    database: process.env.DB_NAME || 'postgres',
-    host: process.env.DB_HOST || '127.0.0.1',
-    dialect: 'postgres'
+    url: process.env.DATABASE_URL || 'postgres://postgres:postgres@localhost:5432/postgres',
   },
   production: {
-    username: process.env.DB_USERNAME,
-    password: process.env.DB_PASSWORD,
-    database: process.env.DB_NAME,
-    host: process.env.DB_HOST,
-    dialect: 'postgres'
+    url: process.env.DATABASE_URL,
   }
 }