A Modern Kotlin-Ktor RESTful API example. Connects to a PostgreSQL database and uses Exposed framework for database operations.

Overview

kotlin-ktor-rest-api

A Modern Kotlin-Ktor RESTful API example. Connects to a PostgreSQL database and uses Exposed framework for database operations. Focused on Clean Architecture, SOLID Principles and feautre based development.

  • Ktor Framework
  • Kotlin
  • Dependency Injection -> Koin
  • Authorization -> JWT
  • Database -> PostgreSQL
  • ORM SQL Framework -> Exposed
  • Ktor Client -> For External API calls
  • Build Tool -> Gradle
  • Server -> Tomcat

Architecture

github (6)

Database Creditentials

resources/application.conf

    database {
        exampleDatabaseUrl="jdbc:postgresql://localhost:5432/exampleDatabase"
        exampleDatabaseDriver="org.postgresql.Driver"
        exampleDatabaseUser="postgres"
        exampleDatabasePassword="Test1234"
    }

Features

- Health Check

GET /healthCheck/
  Just returns a simple object

- Authentication

POST /createUser/
  Registers a user to the db
POST /login/
  Returns a jwt token if success
GET /userInfo/ (Needs Authroization token from login as Authorization header)
  Return user information

- Star Wars

GET /movie/
  An External API call example. Returns a movie information from an external api

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Owner
Selim Atasoy
Senior Software Engineer (Android)
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