Fullstack Docker App

A full-stack web application built with React (frontend), Express (backend), and PostgreSQL (database). This project demonstrates a simple architecture for connecting a React app to an Express API, which in turn communicates with a PostgreSQL database.

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📂 Project Structure

fullstack-docker-app/ ├── backend/ │ ├── app.js │ └── package.json ├── frontend/ │ ├── package.json │ └── src/ │ └── App.js ├── db-data/ --------------- --------------------- # For database volume ├── docker-compose.yml ----------------- # Empty, ├── .env -------------------------------------------- # Empty for future use. └── README.md ------------------------------

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🚀 Features

✅ Backend (Node.js + Express + PostgreSQL)

• Connects to PostgreSQL using pg library.
• Provides /api endpoint that returns the current server time from the database.
• Simple error handling for database connection issues.

✅ Frontend (React)

• Fetches API response from the backend.
• Displays the message in a minimal UI.
• Uses "proxy": "http://localhost:5000" to forward requests to the backend during development.

✅ Database (PostgreSQL)

• Managed through a Docker volume (db-data/).
• Configurable via environment variables in .env file.