Summary - Ktor server

Combine routing, plugins and WebSocket to write an API.

Summary - Ktor server

This group covered Ktor server, Routing, Application, Plugin and WebSocket. These are the foundations of building an HTTP server in Kotlin.

You open an embeddedServer, configure with Application.module, declare routes with routing, add plugins with install, and open real time connections with webSocket. Together they form a modern API server. The next group moves to serialization.

Exercise Summary: server skeleton

Define val server = embeddedServer(Netty, port = 8080) { routing { get("/") { } } }. Print println("Server ready").

Show example solution

fun main() {
    val server = embeddedServer(Netty, port = 8080) {
        routing {
            get("/") {
            }
        }
    }
    println("Server ready")
}

Test yourself

Which is used to add a plugin to the server?
- use
- with
- add
- install
Show answer

install — answer: install. Plugins are added with install.
Match all Ktor server concepts

embeddedServer

Starts server
routing

Defines routes
Application

Central point
install

Adds plugin
webSocket

Persistent connection

Next lesson: @Serializable

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