Setup authentication for instance mongoDB - DOCKER

Question

I have an instance of mongoDB when I execute docker-compose up -d the mongoDB container is run and he attempt to take the authentification from user.

But I use a docker-compose and I set the credentials inside of this, but when running docker-compose up the user are not connected.

Below, you can see my docker-compose.yml :

version: "2"
services:
  web:
    image: kolacaine/docker-hello-world
    ports:
    - "80:8081"
    depends_on:
    - mongo-service
  mongo-service:
    image: mongo
    restart: always
    environment:
      MONGO_INITDB_ROOT_USERNAME: myUserAdmin
      MONGO_INITDB_ROOT_PASSWORD: abc123
    command: mongod --auth
    ports:
    - "27017:27017"

And nothing happens, he always ask authentification inside of my container.

"he always ask authentification inside of my container." "he" is referred to the web container? — Siyu
– Siyu, Commented Dec 3, 2018 at 10:49
Nope, for mongo-service when I running the shell of mongodb he always ask me to connect, but I set the credentials into my docker-compose — KolaCaine
– KolaCaine, Commented Dec 3, 2018 at 10:52

Siyu · Accepted Answer · 2018-12-03 10:58:52Z

3

I think you misunderstood the purpose of MONGO_INITDB_ROOT_USERNAME and password, they are used to create a default root user not to provide pre-filled credential. Thus to connect to the mongo shell you need to use mongo -u myUserAdmin -p abc123.

PS command: mongod --auth is redundant, the entrypoint script does it automatically when it sees you using these 2 envs.

answered Dec 3, 2018 at 10:58

Siyu

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6 Comments

KolaCaine Over a year ago

Ok alright, but when I do not have the 2 envs the API works correctly, but If detect he have the 2 envs the API don't works. Why ?

Sergio Tulentsev Over a year ago

@KolaCaine: because you don't specify any auth information in the client

Siyu Over a year ago

Because now it needs a password to connect to mongo

KolaCaine Over a year ago

When I use HTTP request or something else for calling my API, I always need to precise the username and password ?

Siyu Over a year ago

@KolaCaine yes that's the point of setting a password, a connection string like mongodb://usr:pwd@mongodb:27017/testdb

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