diff --git a/README.md b/README.md
index 365df93..5261418 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,6 @@
 <a href="https://opencollective.com/nest#backer"><img src="https://opencollective.com/nest/backers/badge.svg" alt="Backers on Open Collective" /></a>
 <a href="https://opencollective.com/nest#sponsor"><img src="https://opencollective.com/nest/sponsors/badge.svg" alt="Sponsors on Open Collective" /></a>
   <a href="https://paypal.me/kamilmysliwiec"><img src="https://img.shields.io/badge/Donate-PayPal-dc3d53.svg"/></a>
-<img src="https://img.shields.io/badge/👌-Production Ready-78c7ff.svg"/>
   <a href="https://twitter.com/nestframework"><img src="https://img.shields.io/twitter/follow/nestframework.svg?style=social&label=Follow"></a>
 </p>
   <!--[![Backers on Open Collective](https://opencollective.com/nest/backers/badge.svg)](https://opencollective.com/nest#backer)
diff --git a/package.json b/package.json
index d7d2392..9d968f7 100644
--- a/package.json
+++ b/package.json
@@ -4,12 +4,13 @@
   "description": "Nest TypeScript starter repository",
   "license": "MIT",
   "scripts": {
-    "format": "prettier --write \"**/*.ts\"",
+    "format": "prettier --write \"src/**/*.ts\"",
     "start": "ts-node -r tsconfig-paths/register src/main.ts",
     "start:dev": "nodemon",
     "prestart:prod": "rm -rf dist && tsc",
     "start:prod": "node dist/main.js",
     "start:hmr": "node dist/server",
+    "lint": "tslint -p tsconfig.json -c tslint.json",
     "test": "jest",
     "test:cov": "jest --coverage",
     "test:e2e": "jest --config ./test/jest-e2e.json",
diff --git a/tsconfig.json b/tsconfig.json
index a0187ca..d6e1820 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "module": "commonjs",
-    "declaration": false,
+    "declaration": true,
     "noImplicitAny": false,
     "removeComments": true,
     "noLib": false,
@@ -10,7 +10,6 @@
     "experimentalDecorators": true,
     "target": "es6",
     "sourceMap": true,
-    "allowJs": true,
     "outDir": "./dist",
     "baseUrl": "./src"
   },
diff --git a/tsconfig.spec.json b/tsconfig.spec.json
new file mode 100644
index 0000000..3939be9
--- /dev/null
+++ b/tsconfig.spec.json
@@ -0,0 +1,7 @@
+{
+  "extends": "tsconfig.json",
+  "compilerOptions": {
+    "types": ["jest", "node"]
+  },
+  "include": ["**/*.spec.ts", "**/*.d.ts"]
+}