diff --git a/lib/config/index.js b/lib/config/index.js
index 26f0ae9..76c8bbf 100644
--- a/lib/config/index.js
+++ b/lib/config/index.js
@@ -23,7 +23,8 @@ const packageConfig = {
   minimumCompatibleVersion: '0.5.0'
 }
 
-const configFilePath = path.join(appRootPath, 'config.json')
+const configFilePath = path.resolve(appRootPath, process.env.CMD_CONFIG_FILE ||
+'config.json')
 const fileConfig = fs.existsSync(configFilePath) ? require(configFilePath)[env] : undefined
 
 let config = require('./default')