Migrate From Bun to Express

package.json

@@ -1,27 +1,36 @@
 {
   "name": "checkpoint",
-  "module": "index.js",
   "private": true,
   "type": "module",
   "scripts": {
-    "start": "bun index.js"
+    "start": "node index.js",
+    "dev": "nodemon index.js",
+    "daemon": "pm2 start index.js --name checkpoint",
+    "stop": "pm2 stop checkpoint",
+    "restart": "pm2 restart checkpoint",
+    "logs": "pm2 logs checkpoint"
   },
   "devDependencies": {
+    "nodemon": "^3.0.2",
     "prettier": "^2.8.8"
   },
   "dependencies": {
     "@iarna/toml": "^2.2.5",
     "cookie": "^1.0.2",
     "dotenv": "^16.5.0",
-    "express-http-proxy": "^2.1.1",
-    "http-proxy": "^1.18.1",
-    "http-proxy-middleware": "^3.0.5",
+    "express": "^4.18.2",
+    "http-proxy-middleware": "^2.0.6",
     "level": "^10.0.0",
     "level-ttl": "^3.1.1",
     "maxmind": "^4.3.25",
+    "pm2": "^5.3.0",
     "string-dsa": "^2.1.0",
     "tar": "^7.4.3",
     "tar-stream": "^3.1.7",
-    "toml": "^3.0.0"
+    "toml": "^3.0.0",
+    "ws": "^8.16.0"
+  },
+  "engines": {
+    "node": ">=18.0.0"
   }
 }