The Wall

A minimalist guestbook where visitors pick a color and leave a message. Each entry becomes a tile in a colorful mosaic.

Features

• Visitor counter — Each visitor gets a unique number
• Color picker — Drag to select from a gradient
• Hero mosaic — The visitor count tile shows colors picked by visitors
• Mobile responsive

Stack

• Go (stdlib net/http)
• SQLite
• Vanilla HTML/CSS/JS
• JetBrains Mono + Inter fonts

Run locally

go run .

Then open http://localhost:8000

Environment variables

• PORT — Server port (default: 8000)
• DB_PATH — SQLite database path (default: wall.db)

Deploy

Build and run:

go build -o the-wall .
./the-wall

Or use the provided systemd service file:

sudo cp the-wall.service /etc/systemd/system/
sudo systemctl enable the-wall
sudo systemctl start the-wall

Structure

the-wall/
├── main.go              # Server + handlers
├── db/migrations/       # SQL migrations
├── static/              # CSS + JS
├── templates/           # HTML templates
├── go.mod
└── README.md

License

MIT

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Vibecoded with Claude Opus 4.5 on exe.dev