error logs while deploying

Question

i am havingthis log erros  throw new Error("Please define the MONGODB_URI environment variable");

^

Error: Please define the MONGODB_URI environment variable

at Object. (/app/dist/db/connectDB.js:12:11)

at Module._compile (node:internal/modules/cjs/loader:1364:14)

at Module._extensions..js (node:internal/modules/cjs/loader:1422:10)

at Module.load (node:internal/modules/cjs/loader:1203:32)

at Module._load (node:internal/modules/cjs/loader:1019:12)

at Module.require (node:internal/modules/cjs/loader:1231:19)

at require (node:internal/modules/helpers:177:18)

at Object. (/app/dist/server.js:18:21)

at Module._compile (node:internal/modules/cjs/loader:1364:14)

at Module._extensions..js (node:internal/modules/cjs/loader:1422:10)

Node.js v18.20.5 even am sure i set up the env variables

[View Deploy details](https://railway.com/project/830afc7a-e66d-4555-921b-50afdf13e83d/service/8defad2a-c7c5-4594-8977-d5d292a7353b?id=ed852472-c392-48ce-8133-43cce6f56154)

> ⓘ Deployment information is only viewable by project members and Railway employees.