feat: dbのurlなどを指定できるように

src/main/kotlin/dev/usbharu/hideout/Application.kt

@@ -25,8 +25,7 @@ import org.jetbrains.exposed.sql.Database
 import org.koin.ktor.ext.inject
 import java.util.*
 
-fun main(args: Array<String>): Unit =
+fun main(args: Array<String>): Unit = io.ktor.server.netty.EngineMain.main(args)
-    io.ktor.server.netty.EngineMain.main(args)
 
 @Suppress("unused") // application.conf references the main function. This annotation prevents the IDE from marking it as unused.
 fun Application.module() {
@@ -34,8 +33,8 @@ fun Application.module() {
 
         single<Database> {
             Database.connect(
-                url = "jdbc:h2:./test;MODE=POSTGRESQL",
+                url = environment.config.property("hideout.database.url").getString(),
-                driver = "org.h2.Driver",
+                driver = environment.config.property("hideout.database.driver").getString(),
             )
         }
         single<ConfigData> {

src/main/kotlin/dev/usbharu/hideout/config/Config.kt

@@ -4,7 +4,7 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 
 object Config {
-    var configData:ConfigData = ConfigData("", jacksonObjectMapper())
+    var configData: ConfigData = ConfigData()
 }
 
-data class ConfigData(val hostname:String,val objectMapper: ObjectMapper)
+data class ConfigData(val hostname: String = "", val objectMapper: ObjectMapper = jacksonObjectMapper())

src/main/resources/application.conf

@@ -13,4 +13,10 @@ ktor {
 hideout {
   hostname = "https://localhost:8080"
   hostname = ${?HOSTNAME}
+  database {
+    url = "jdbc:h2:./test;MODE=POSTGRESQL"
+    driver = "org.h2.Driver"
+    username = ""
+    password = ""
+  }
 }