diff --git a/.gitignore b/.gitignore
index f06235c..a0d218e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules
 dist
+.env
\ No newline at end of file
diff --git a/package.json b/package.json
index a8188ee..b25406d 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
 		"@types/express": "^4.17.11",
 		"@types/node": "^14.14.37",
 		"cors": "^2.8.5",
+		"dotenv": "^8.2.0",
 		"express": "^4.17.1",
 		"typescript": "^4.2.4"
 	}
diff --git a/src/.env.sample b/src/.env.sample
new file mode 100644
index 0000000..ccf3e60
--- /dev/null
+++ b/src/.env.sample
@@ -0,0 +1,4 @@
+NODE_ENV='dev'
+APP_PORT=3000
+DB_USER=
+DB_PASS=
\ No newline at end of file
diff --git a/src/index.ts b/src/index.ts
index 965494c..c5abdd5 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,31 +1,7 @@
-import * as express from 'express';
+import express = require('express');
 
 const app = express();
 
-app.get('/user', (req, res) => {});
-
-app.post('/user', (req, res) => {});
-
-app.patch('/user', (req, res) => {});
-
-app.delete('/user', (req, res) => {});
-
-app.get('/pool', (req, res) => {});
-
-app.post('/pool', (req, res) => {});
-
-app.patch('/pool', (req, res) => {});
-
-app.delete('/pool', (req, res) => {});
-
-app.get('/group', (req, res) => {});
-
-app.post('/group', (req, res) => {});
-
-app.patch('/group', (req, res) => {});
-
-app.delete('/group', (req, res) => {});
-
 app.get('/join_pool', (req, res) => {});
 
 app.post('/join_pool', (req, res) => {});
diff --git a/tsconfig.json b/tsconfig.json
index 2e3b371..b5da52a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,7 @@
 {
 	"compilerOptions": {
 		"outDir": "dist/",
+		"esModuleInterop": true,
 	},
 	"files": ["src/types.ts"],
 	"include": ["src/"],
diff --git a/yarn.lock b/yarn.lock
index 9e24887..10556bc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -150,6 +150,11 @@ destroy@~1.0.4:
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
   integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
 
+dotenv@^8.2.0:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-8.2.0.tgz#97e619259ada750eea3e4ea3e26bceea5424b16a"
+  integrity sha512-8sJ78ElpbDJBHNeBzUbUVLsqKdccaa/BXF1uPTw3GrvQTBgrQrtObr2mUrE38vzYd8cEv+m/JBfDLioYcfXoaw==
+
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"