Node.js Dockerized App

A simple Node.js application built with Express.js, Redis, and MongoDB, fully containerized using Docker and Docker Compose.

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Features

• 🛠 Express.js: Lightweight framework for building web applications.
• 🐋 Dockerized: Fully containerized with docker-compose.
• 🗃 MongoDB: NoSQL database for data storage.
• 🚀 Redis: In-memory data store for caching.
• 🔄 Hot-Reload: Automatic reloading in development with nodemon

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Prerequisites

• Node.js (if running locally)
• Docker
• Docker Compose

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Getting Started

1. Clone the Repository

git clone https://github.com/abdorrahmani/nodejs-dockerized-app.git
cd nodejs-dockerized-app

2. Environment Variables

Ensure the following environment variables are set in .env:

# Application settings
APP_NAME=NodejsDockerizedApp
APP_PORT=3000

  # Redis settings
REDIS_HOST=redis
REDIS_PORT=6379
REDIS_USERNAME=default
REDIS_PASSWORD=redispassword
REDIS_DB=0

  # MongoDB settings
MONGO_HOST=mongo
MONGO_PORT=27017
MONGO_USERNAME=mongouser
MONGO_PASSWORD=mongopassword
MONGO_DB=appdatabase

3. Run the App

Using Docker Compose

docker-compose up --build

Access the App

Visit http://localhost:3000 in your browser.

4. Run Locally (Without Docker)

Install Dependencies

npm install

Development Mode

npm run dev

Production Mode

npm start

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File Structure

nodejs-dockerized-app/
├── app.js                 # Main application logic
├── Dockerfile             # Docker image configuration
├── docker-compose.yml     # Docker Compose configuration
├── .env                   # Environment variables
├── .env.example           # Example Environment variables
├── nodemon.json           # Nodemon configuration
├── package.json           # Node.js project metadata
└── README.md              # Project documentation

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Scripts

Command	Description
npm start	Run the app in production
npm run dev	Run the app in development

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Technologies Used

• Node.js: Runtime for JavaScript.
• Express.js: Web framework.
• Redis: In-memory data structure store.
• MongoDB: NoSQL database.
• Docker: Containerization platform.

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Troubleshooting

• Ensure Docker Desktop and WSL2 are properly configured if using Windows.
• Check the logs of the containers for debugging:

docker logs <container_name>

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Contributing

Contributions are welcome! Please submit a pull request or open an issue if you find bugs or have suggestions.

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Acknowledgements

Thanks to the developers of Node.js, Redis, MongoDB, and the Docker community for their awesome tools.