Add port flag

src/index.ts

@@ -91,8 +91,20 @@ const app = new Elysia()
     });
   });
 
-app.listen(3000, () => {
-  console.log(
-    `🦊 Elysia is running at ${app.server?.hostname}:${app.server?.port}`,
-  );
+const port = (() => {
+  let p = 3000;
+  for (let i = 0; i < Bun.argv.length; i++) {
+    if (Bun.argv[i] === '--port') {
+      const parsedPort = Number(Bun.argv[i + 1]);
+      if (!isNaN(parsedPort) && parsedPort > 0) {
+        p = parsedPort;
+        break;
+      }
+    }
+  }
+  return p;
+})();
+
+app.listen(port, () => {
+  console.log(`🦊 Elysia is running at ${app.server?.hostname}:${port}`);
 });