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Samples for Ktor

A collection of ready-to-use samples for Ktor. If you're looking for older samples, please see our note on Docs and Samples Migration.

• Samples for Ktor
  • Applications
  • Server
  • Client
  • Deployment
  • Testing
  • License

Applications

• chat - A Chat application written using WebSockets and Sessions.
• fullstack-mpp - An example of using Ktor as a client and server in a Kotlin Multiplatform project.
• httpbin - HttpBin application implementing (large parts of) httpbin(1) HTTP request & response service.
• kweet - A messaging application that uses FreeMarker templates and the Locations plugin.
• reverse-proxy - A simple reverse proxy application.
• reverse-proxy-ws - A reverse proxy application written using WebSockets.
• youkube - A video upload/view application.
• version-diff - An application showing the difference between artifacts in two versions of a project.
• postgres - An application for creating, editing and deleting articles that uses Postgres database running on Docker image as a storage.
• mongodb - An application for creating, editing and deleting articles that uses Mongodb running on Docker image as a storage.
• mvc-web - An application for adding and removing wishes to wishlist that uses FreeMarker templates and Exposed.
• opentelemetry - An application that uses Kotlin DSL to work with OpenTelemetry Ktor plugins.

Server

• di-kodein - An application showing how to use Kodein with a Ktor server.
• filelisting - An application showing how to serve static files.
• location-header - An application demonstrating how to use the HTTP Location headers.
• sse - A Server Sent Events application.
• structured-logging - An application showing how to use Ktor structured logging.

Client

• client-mpp - A sample project showing how to use a Ktor client in a multiplatform application.
• client-multipart - A sample showing how to send multipart data with the HTTP client.
• client-tools - A sample showing several useful extension methods not included in Ktor itself.

Deployment

• graalvm - Explains how to build and run a Ktor application in the GraalVM native image.
• native-image-server-with-yaml-config - A sample showing how to build and run a Ktor application in the GraalVM native image with a YAML configuration file.
• maven-google-appengine-standard - A sample showing how to deploy Ktor application to Google App Engine using Maven and Google App Engine.

Testing

• jwt-auth-tests - Shows how to write tests for RSA-signed JWT secured endpoints.

License

Samples are provided as is under the Apache 2 OSS license.