---
title: Start
description: "Install the demo and greet someone."
section: guide
order: 10
---
# Start

The demo module greets people.

## Install

Build the docs with `summer docs:build`, or run the application:

```sh
$ summer docs:build --out site
./bin/demo serve --addr 127.0.0.1:8080
```

## Greet someone

Call `demo.Hello`:

```go src=modules/demo/example_test.go#ExampleHello
fmt.Println(demo.Hello("blog"))
// Output: Hello, blog
```

> [!TIP]
> The [demo reference](../../modules/demo/README.md#usage) lists the whole API.

Continue with [configuration](config.md) or jump back to [install](#install).