Hello, can someone help me, I have deployed an express app and it keeps on crashing. Do you have any idea what the problem might be? Thank you in advance.

It keeps on saying:
node:internal/modules/cjs/loader:1080
throw err;
^
Error: Cannot find module '/app/dist/index.js'
at Module.resolveFilename (node:internal/modules/cjs/loader:1077:15) at Module.load (node:internal/modules/cjs/loader:922:27)
at Function.executeUserEntryPoint as runMain
at node:internal/main/runmainmodule:23:47 {
code: 'MODULENOTFOUND',
requireStack: []
}
Node.js v18.18.2
npm WARN config production Use --omit=dev instead.

Package.json:
{
"name": "backend",
"version": "1.0.0",
"description": "",
"main": "dist/index.js",
"scripts": {
"dev": "nodemon src/index.ts",
"build": "tsc",
"start": "node dist/index.js"
},
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"bcrypt": "^5.1.1",
"connect-mongo": "^5.1.0",
"cors": "^2.8.5",
"dotenv": "^16.4.5",
"envalid": "^8.0.0",
"express": "^4.18.2",
"express-session": "^1.18.0",
"http-errors": "^2.0.0",
"mongoose": "^6.8.1",
"morgan": "^1.10.0"
},
"devDependencies": {
"@types/bcrypt": "^5.0.2",
"@types/cors": "^2.8.17",
"@types/express": "^4.17.15",
"@types/express-session": "^1.18.0",
"@types/http-errors": "^2.0.4",
"@types/morgan": "^1.9.9",
"eslint": "^9.1.1",
"nodemon": "^2.0.20",
"ts-node": "^10.9.1",
"typescript": "^5.4.5"
}
}