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swarm-demo/README.md
2026-05-22 11:58:57 +01:00

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# Swarm Demo
A minimal demo app built with **Bun**, **Hono**, **React**, and **Tailwind CSS**.
Displays the container hostname and a live updating date/time — useful for verifying load balancing across a swarm of containers.
## Stack
- [Bun](https://bun.sh/) — runtime, package manager, bundler, and dev server
- [Hono](https://hono.dev/) — lightweight web server
- [React](https://react.dev/) — UI
- [Tailwind CSS](https://tailwindcss.com/) — styling
## Scripts
| Command | Description |
|---------|-------------|
| `bun install` | Install dependencies |
| `bun run dev` | Start Bun dev server with HMR + Tailwind watch |
| `bun run build` | Build CSS + bundle for production |
| `bun run preview` | Build and start production server |
| `bun run serve` | Start production server (requires `dist/`) |
## Docker
```bash
# Build and run locally
docker build -t swarm-demo .
docker run -p 5786:5786 swarm-demo
# Or use Docker Compose with 3 replicas
docker compose up --build
```
## Environment Variables
| Variable | Default | Description |
|----------|---------|-------------|
| `PORT` | `5786` | Server port |
| `HOSTNAME` | `localhost` | Container name (set automatically by Docker) |