Docker-testapp

📌 Overview

This project is a backend application built using Node.js and MongoDB, fully containerized using Docker and Docker Compose.

It demonstrates how to build, run, and manage multi-container applications using Docker.

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🛠️ Tech Stack

• Node.js (Express)
• MongoDB
• Docker
• Docker Compose

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⚙️ Features

• Add users via API
• Fetch users from database
• Mongo Express UI for database management
• Persistent storage using Docker volumes
• Multi-container architecture

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🐳 Docker Setup

1. Clone the repository

git clone <your-repo-link>
cd <repo-name>

Docker Hub -> https://hub.docker.com/repositories/saiprasanth201

2. Run the application

docker pull saiprasanth201/testapp
docker run -p 5050:5050 saiprasanth201/testapp
docker compose -f mongodb.yaml up -d

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🌐 Access the application

• Backend API: http://localhost:5050/getUsers

• Mongo Express: http://localhost:8081

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🧠 What I Learned

• Docker containerization
• Docker Compose for multi-container apps
• Container networking (service names vs localhost)
• Debugging using Docker logs
• Image building and pushing to Docker Hub
• Volume management for persistent data

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🚀 Future Improvements

• Add React frontend (Full MERN stack)
• Deploy on cloud (AWS / Render)
• Add authentication system

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👨‍💻 Author

Sai Prasanth