mongodb created by Docker-compose, doesn't create initial db?

Question

docker-compose.yml

version: '3.7'

services:
 mongodb:
    image: mongo:latest
    container_name: mongodb
    restart: always
    environment:
        MONGO_INITDB_ROOT_USERNAME: devuser
        MONGO_INITDB_ROOT_PASSWORD: devuser
        MONGO_INITDB_DATABASE: devDB
    ports:
        - 27017:27017
    volumes:
        - ./mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro

mongo-init.js

 db.createUser(
    {
        user: "devuser",
        pwd: "devuser",
        roles: [
            {
                role: "readWrite",
                db: "devDB"
            }
        ]
    }
 );
use devDB;
db.item.insert(
 [
   {
     "id": "xsd4cv89t5f5um4b",
     "name": "r44d7piq",
     "price": 1485521573482,
     "dateCreation": 1485521569056
   }  
 ]

);

I run it

 docker-compose up --build -d mongodb

I connect to mongodb

mongo -u devuser -p devuser

I check dbs:

> show dbs
admin   0.000GB
config  0.000GB   
local   0.000GB

Why I don't see the devDB?

It seems to me pretty standard, I've copied the above from several examples...

D. SM · Accepted Answer · 2020-10-06 22:58:00Z

1

The database is created on demand when an operation that needs it is performed.

You haven't performed any operations, hence there is no database created.

answered Oct 6, 2020 at 22:58

D. SM

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5 Comments

Glasnhost Over a year ago

I've added an insert to the script (see edited question), but nothing is happening...

Glasnhost Over a year ago

I've added also "use devDB" and db.insert.item...but still I don't see anything

D. SM Over a year ago

Is the script being run?

Glasnhost Over a year ago

good question...I don't see it running in the logs...so why?

Glasnhost Over a year ago

I tried to delete all previous containers and mount a data volume. it seems the user is created but not the db. Don't understand why

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