Add db url to fix auth error (mongo-express on linux)

[willscripted]

I've been seeing this error while running docker compose up:

mongo-express-1  | MongoServerError: Command listDatabases requires authentication                                                                                                           
mongo-express-1  |     at Connection.onMessage (/app/node_modules/mongodb/lib/cmap/connection.js:227:30)                                                                                     
mongo-express-1  |     at MessageStream.<anonymous> (/app/node_modules/mongodb/lib/cmap/connection.js:60:60)                                                                                 
mongo-express-1  |     at MessageStream.emit (node:events:517:28)                                                                                                                            
mongo-express-1  |     at processIncomingData (/app/node_modules/mongodb/lib/cmap/message_stream.js:125:16)                                                                                  
mongo-express-1  |     at MessageStream._write (/app/node_modules/mongodb/lib/cmap/message_stream.js:33:9)                                                                                   
mongo-express-1  |     at writeOrBuffer (node:internal/streams/writable:392:12)                                                                                                              
mongo-express-1  |     at _write (node:internal/streams/writable:333:10)                                                                                                                     
mongo-express-1  |     at Writable.write (node:internal/streams/writable:337:10)                                                                                                             
mongo-express-1  |     at Socket.ondata (node:internal/streams/readable:809:22)                                                                                                              
mongo-express-1  |     at Socket.emit (node:events:517:28) {                                                                                                                                 
mongo-express-1  |   ok: 0,                                                                                                                                                                  
mongo-express-1  |   code: 13,                                                                                                                                                               
mongo-express-1  |   codeName: 'Unauthorized',                                                                                                                                               
mongo-express-1  |   [Symbol(errorLabels)]: Set(0) {}                                                                                                                                        
mongo-express-1  | }                                                                                                                                                                         
mongo-express-1  |                                                                                                                                                                           
mongo-express-1  | Node.js v18.20.3   

Docker Version Info

Client: Docker Engine - Community Version: 27.1.2 API version: 1.46 Go version: go1.21.13 Git commit: d01f264 Built: Mon Aug 12 11:50:12 2024 OS/Arch: linux/amd64 Context: default

Server: Docker Engine - Community
Engine:
Version: 27.1.2
API version: 1.46 (minimum version 1.24)
Go version: go1.21.13
Git commit: f9522e5
Built: Mon Aug 12 11:50:12 2024
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.7.20
GitCommit: 8fc6bcff51318944179630522a095cc9dbf9f353
runc:
Version: 1.1.13
GitCommit: v1.1.13-0-g58aa920
docker-init:
Version: 0.19.0
GitCommit: de40ad0


Fix according to this mongo-express issue is to add a ME_CONFIG_MONGODB_URL env var 🤷