mathias21

import org.junit.jupiter.api.Test

class CalculateEdgeTest {

    @Test
    fun `given two positive x points, calculate edge should return correct value`() {
        val result1 = calculateEdge(listOf(Point(105, 0), Point(101, 0)))
        assert(result1 == 103)
    }

mathias21

fun main(args: Array<String>) {
    [...]
    embeddedServer(Netty, port = config.port) {
        println("Starting instance in ${config.host}:${config.port}")
        module {
            install(Koin) {
                modules(
                    module {
                        [...]
                        single { PrometheusMeterRegistry(PrometheusConfig.DEFAULT) }

mathias21

fun Application.module() {
    [...]
    // Metrics feature installation, adding Micrometer as the preferred lib
    install(MicrometerMetrics) {
        registry = get<PrometheusMeterRegistry>()
        meterBinders = listOf(
            ClassLoaderMetrics(),
            JvmMemoryMetrics(),
            JvmGcMetrics(),
            ProcessorMetrics(),

mathias21

apply plugin: 'kotlin'
apply plugin: 'application'
apply plugin: 'com.github.johnrengelman.shadow'

[...]

dependencies {
    [...]

    implementation "io.ktor:ktor-metrics:$ktor_version"

mathias21

fun Routing.metrics() {

    val registry = get<PrometheusMeterRegistry>()

    get("/metrics") {
        call.respondText {
            registry.scrape()
        }
    }
}

mathias21

scrape_configs:
  - job_name: 'KtorEasy'
    metrics_path: /metrics
    scrape_interval: 5s
    static_configs:
      - targets: ['backend:3500']

mathias21

version: '2.1'
services:
  db:
    image: mariadb:latest
    restart: always
    environment:
      - MYSQL_ROOT_PASSWORD=mypassword
      - MYSQL_DATABASE=ktoreasydb
      - MYSQL_USER=ktoreasyuser
      - MYSQL_PASSWORD=ktoreasypassword

mathias21

###################### PREVIOUS DOCKER-COMPOSE FILE ###############
version: '2.1'
services:
  db:
    image: mariadb:latest
    restart: always
    volumes:
      - ./db/KtorEasyDBSnap:/var/lib/mysql
      - ./db/dbConfig:/etc/mysql/conf.d
    environment:

mathias21

version: '2.1'

# Services we are going to use when running
services:
  # Database instance we need to store data
  db:
    image: mariadb:latest
    restart: always
    environment:
      - MYSQL_ROOT_PASSWORD=mypassword

mathias21

ktor {
    deployment {
            dev {
                host = "localhost"
                port = 3500
                databaseHost = "db"
                databasePort = "3306"
            }
            uat {
                host = "myhost.com"