Ktor Native Server Example

This repository contains a sample Ktor 2.0 server program that runs only with Kotlin/Native.

The server includes the following functionalities:

• SQLDelight Postgrs connection
  • Uses (first available) native postgres driver from Philip Wedemann
• Sample REST API with KotlinX JSON Serialization
• Global error handling middleware
• Sample Application Plugin (Middleware) for request logging

The ktor server is running with CIO Engine (Coroutine-based I/O) which is the only on supported by Kotlin/Native (Netty, Jetty and Tomcat are JVM based). More general information can be found here: https://ktor.io/docs/native-server.html

Supported Platforms

• Linux (x64, Arm64)
• MacOS (x64, Arm64)

How to run

1. Start Postgres instance docker compose up
2. Debug ./gradlew runDebugExecutable
3. Visit http://localhost:8080/api/v1/news and see NewsRoutes.kt for further use of the API

Tests: ./gradlew allTests

Known Problems

• Problems with tests in IntelliJ: Cannot access class 'io.ktor...'. Check your module classpath for missing or conflicting dependencies
  • Open bug can be overcome by adding following to gradle.properties
    • kotlin.mpp.hierarchicalStructureSupport=false

Planned Features

• Database connection via Exposed once supported