Using mongodb service in docker-compose.yml

version: '3.1'

services:

  web:
    build: .
    restart: always
    ports:
      - 8080:80
    environment:      
      MONGODB_HOST: mongodb
      MONGODB_USER: root
      MONGODB_PWD: 123456
    depends_on:
      - mongodb

  mongodb:
    image: mongo:4.1
    restart: on-failure
    ports:
      - 27017:27017
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: 123456
    volumes:
      - ./data/mongo:/data/db
      - ./data/mongo-entrypoint/:/docker-entrypoint-initdb.d/

Copy following script and paste into the file: ./data/mongo-entrypoint/docker-entrypoint-initdb.sh

#!/usr/bin/env bash
echo "Creating mongo users..."
mongo admin --host localhost -u root -p 123456 --eval "db.createUser({user: 'admin', pwd: '123456', roles: [{role: 'userAdminAnyDatabase', db: 'admin'}]});"
mongo admin -u root -p 123456 << EOF
use web
db.createUser({user: 'root', pwd: '123456', roles:[{role:'readWrite',db:'web'}]})
db.createCollection('test')
EOF
echo "Mongo users created."

** Remember to modify the passwords above. **

Using mongodb service in docker-compose.yml

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