MongoDB

This folder contains instructions to set up a MongoDB database environment.

Usage

Starting the Container

Navigate to this folder
Open your terminal and go to the folder containing the docker-compose.yml file.
Run the command:

docker compose up -d

Explanation: This command will download the latest MongoDB image, start the container, and configure the database environment.

Accessing MongoDB

Host: localhost:27017
Database: test (default)
Authentication:
- If authentication is enabled, use the credentials defined in your docker-compose.yml file.
- For learning purposes, you can start with no authentication or a simple username/password.

You can connect using any MongoDB client, such as Mongo Shell, Mongo Compass, or IDE plugins.

Tip

For IDE integration:

IntelliJ: use Database Navigator plugin.
Visual Studio: use MongoDB for Visual Studio or NoSQL Manager.

Docker Configuration

docker-compose.yml Overview

services:
  mongo:
    image: mongo:latest
    container_name: mongo
    ports:
      - "27017:27017"
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: rootpassword
    volumes:
      - mongo_data:/data/db

volumes:
  mongo_data:

Explanation:

image: mongo:latest: Uses the latest MongoDB image.
container_name: mongo: Names the container.
ports: Maps container port 27017 to the host, allowing local connections.
environment: Sets environment variables for the root user.
volumes: Persists database data using a Docker volume.

Tip

You can add custom scripts to initialize your database:

Place .js or .sh files inside /docker-entrypoint-initdb.d/.
They will run automatically when the container is first started.
Example: creating initial collections or inserting test data.

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README-mongo.md

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