🛰️ ISS Live Tracker

Real-time International Space Station tracker with live map visualization. Track ISS position and see astronauts currently in space!

✨ Features

• 🌍 Live ISS Position — Real-time coordinates updated every 3 seconds via SSE
• 🗺️ Interactive Map — Leaflet.js powered world map with ISS marker
• 👨‍🚀 Crew Info — Current astronauts aboard the ISS
• 📊 Orbit Stats — Speed, altitude, and visibility data
• 🎨 Beautiful UI — Minimalist dark theme with Tailwind CSS
• ⚡ Lightweight — Single binary, no database required

🚀 Quick Start

git clone https://github.com/smart-developer1791/go-iss-tracker
cd go-iss-tracker

Initialize dependencies and run:

go mod tidy
go run .

Open http://localhost:8080 in your browser.

🔌 API Used

• Open Notify API — Free public API for ISS location
  • /iss-now.json — Current ISS position
  • /astros.json — People in space

📁 Project Structure

go-iss-tracker/
├── main.go          # Server, SSE, and embedded UI
├── go.mod           # Go module definition
├── render.yaml      # Render deployment config
├── .gitignore       # Git ignore rules
└── README.md        # Documentation

🛠️ Tech Stack

Component	Technology
Backend	Go 1.21+ with Chi router
Frontend	Tailwind CSS + Leaflet.js
Real-time	Server-Sent Events (SSE)
API	Open Notify (free, no key)

🐳 Environment Variables

Variable	Default	Description
PORT	8080	Server port

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