Remove CORS.

Jenkinsfile

@@ -15,7 +15,7 @@ pipeline {
         }
         stage("Deploy jar") {
             steps {
-                sh "docker compose up -d"
+                sh "docker compose up --build -d"
             }
         }
     }

src/Application.kt

@@ -16,19 +16,6 @@ fun main(args: Array<String>): Unit = io.ktor.server.netty.EngineMain.main(args)
 @Suppress("unused") // Referenced in application.conf
 @kotlin.jvm.JvmOverloads
 fun Application.module(testing: Boolean = false) {
-    install(CORS) {
-        method(HttpMethod.Options)
-        method(HttpMethod.Post)
-        method(HttpMethod.Put)
-        method(HttpMethod.Delete)
-        method(HttpMethod.Patch)
-        header(HttpHeaders.Authorization)
-        header(HttpHeaders.Accept)
-        header(HttpHeaders.ContentType)
-        allowCredentials = true
-        anyHost() // @TODO: Don't do this in production if possible. Try to limit it.
-    }
-
     install(WebSockets) {
         pingPeriod = Duration.ofSeconds(15)
         timeout = Duration.ofSeconds(15)