diff --git a/.env b/.env
index 5bb6eb7..d77e8f1 100644
--- a/.env
+++ b/.env
@@ -1 +1 @@
-HELLO=HELLO
+HELLO=WORLD
diff --git a/config/custom-environment-variables.json b/config/custom-environment-variables.json
new file mode 100644
index 0000000..a1196fc
--- /dev/null
+++ b/config/custom-environment-variables.json
@@ -0,0 +1,3 @@
+{
+    "hello": "HELLO"
+}
\ No newline at end of file
diff --git a/config/default.json b/config/default.json
new file mode 100644
index 0000000..461844d
--- /dev/null
+++ b/config/default.json
@@ -0,0 +1,4 @@
+{
+    "hello": "hello from config",
+    "hi": "hi from config"
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 0154d26..47f3c26 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2129,6 +2129,24 @@
         "typedarray": "^0.0.6"
       }
     },
+    "config": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/config/-/config-2.0.1.tgz",
+      "integrity": "sha512-aTaviJnC8ZjQYx8kQf4u6tWqIxWolyQQ3LqXgnCLAsIb78JrUshHG0YuzIarzTaVVe1Pazms3TXImfYra8UsyQ==",
+      "requires": {
+        "json5": "^1.0.1"
+      },
+      "dependencies": {
+        "json5": {
+          "version": "1.0.1",
+          "resolved": "http://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
+          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "requires": {
+            "minimist": "^1.2.0"
+          }
+        }
+      }
+    },
     "configstore": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/configstore/-/configstore-3.1.2.tgz",
@@ -5540,8 +5558,7 @@
     "minimist": {
       "version": "1.2.0",
       "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-      "dev": true
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
     },
     "minimist-options": {
       "version": "3.0.2",
diff --git a/package.json b/package.json
index 2991543..244adab 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,9 @@
     "node": ">=8.3.0",
     "npm": ">=5.2.0"
   },
-  "dependencies": {},
+  "dependencies": {
+    "config": "^2.0.1"
+  },
   "keywords": [
     "modern",
     "node",
@@ -30,7 +32,7 @@
     "?start:prod": "Startup the module with a `production` environment.",
     "start:prod": "NODE_ENV=production node -r dotenv/config ./lib/index.js",
     "?start:dev": "Startup the module with a `development` environment.",
-    "start:dev": "node node -r dotenv/config ./src/index.js",
+    "start:dev": "NODE_ENV=development node -r dotenv/config ./src/index.js",
     "?debug": "Start a debugger for the `main` entry point.",
     "debug": "node --inspect --debug-brk -r dotenv/config ./src/index.js",
     "?debug:tests": "Start a debugger for the tests",
diff --git a/src/index.js b/src/index.js
index 4a6ac37..61e1d01 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,20 @@
 'use strict';
 
-exports.hello = function hello() {
-  return process.env.HELLO;
+const config = require('config');
+
+
+exports.fromEnv = {
+  HELLO() {
+    return process.env.HELLO;
+  }
+};
+
+exports.fromConfig = {
+  hi() {
+    return config.get('hi');
+  },
+
+  hello() {
+    return config.get('hello');
+  }
 };
diff --git a/test/index.test.js b/test/index.test.js
index dd9bfca..e6bede6 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -1,14 +1,19 @@
 'use strict';
 
 const { expect } = require('chai');
-const { hello } = require('../src');
+const { fromConfig, fromEnv } = require('../src');
 
-describe('Importing The index module', function () {
-  it('should be a function', function () {
-    expect(hello).to.be.a('function');
+
+describe('Checking Environment Variable `HELLO`', function () {
+  it('should return value from environment variable', function () {
+    expect(fromEnv.HELLO()).to.be.equal('WORLD');
+  });
+
+  it('should return value from config file', function () {
+    expect(fromConfig.hi()).to.be.equal('hi from config');
   });
 
-  it('should return `HELLO` string from env', function () {
-    expect(hello()).to.be.equal('HELLO');
+  it('should return value from custom environment variable', function () {
+    expect(fromConfig.hello()).to.be.equal('WORLD');
   });
 });