feat: Warn user if default port is in use and a different port is used.

Author: ericc-ch

src/lib/port.ts

@@ -1,9 +1,11 @@
+import consola from "consola"
 import { getPort } from "get-port-please"
 
 import { configManager } from "./config"
 
 export async function initializePort(): Promise<number> {
   const config = configManager.getConfig()
+  const requestedPort = config.PORT
 
   const port = await getPort({
     name: "copilot-api",
@@ -12,6 +14,12 @@ export async function initializePort(): Promise<number> {
     random: false,
   })
 
+  if (port !== requestedPort) {
+    consola.warn(
+      `Default port ${requestedPort} is already in use. Using port ${port} instead.`,
+    )
+  }
+
   configManager.setConfig({ PORT: port })
 
   return port