Refactor DB Code

src/main/kotlin/commands/dev/DevCommand.kt

@@ -173,6 +173,7 @@ class DevCommand : CliktCommand("dev") {
             "-jar",
             *cmd.toTypedArray()
         ).directory(serverDir).inheritIO().start()
+        Runtime.getRuntime().addShutdownHook(Thread { if (process.isAlive) process.destroyForcibly() })
         process.waitFor()
     }
 }