MongoError: getaddrinfo ENOTFOUND mongo mongo:27017

Hi,

I’m trying run project during to README

/usr/src/app # npm run start

> jincor-backend-ico-dashboard@0.0.1 start /usr/src/app
> nodemon -w ./src -e ts ./src/bin/www --exec ts-node

[nodemon] 1.12.1
[nodemon] to restart at any time, enter `rs`
[nodemon] watching: /usr/src/app/src/**/*
[nodemon] starting `ts-node ./src/bin/www`
TypeORM connection error:  { MongoError: failed to connect to server [mongo:27017] on first connect [MongoError: getaddrinfo ENOTFOUND mongo mongo:27017]
    at Pool.<anonymous> (/usr/src/app/node_modules/mongodb-core/lib/topologies/server.js:336:35)
    at emitOne (events.js:116:13)
    at Pool.emit (events.js:211:7)
    at Connection.<anonymous> (/usr/src/app/node_modules/mongodb-core/lib/connection/pool.js:280:12)
    at Object.onceWrapper (events.js:317:30)
    at emitTwo (events.js:126:13)
    at Connection.emit (events.js:214:7)
    at Socket.<anonymous> (/usr/src/app/node_modules/mongodb-core/lib/connection/connection.js:187:49)
    at Object.onceWrapper (events.js:315:30)
    at emitOne (events.js:116:13)
    at Socket.emit (events.js:211:7)
    at emitErrorNT (internal/streams/destroy.js:64:8)
    at _combinedTickCallback (internal/process/next_tick.js:138:11)
    at process._tickDomainCallback (internal/process/next_tick.js:218:9)
  name: 'MongoError',
  message: 'failed to connect to server [mongo:27017] on first connect [MongoError: getaddrinfo ENOTFOUND mongo mongo:27017]' }

JWT was generated successfully, .env was copied from .env.test

[silviocustodio]

I was with the same problem and I solved added useUnifiedTopology: true, in const options = { useNewUrlParser: true, useUnifiedTopology: true, }; I hope this helps someone!

[hlogeon]

@maiziheimei Here is how he fixed it: https://github.com/alexeymarunin/backend-ico-dashboard/commit/ca8fb584476ce08a0383f4421fa5f88779bbbafb