Use env var PORT instead of --port flag

.pre-commit-config.yaml

@@ -3,7 +3,5 @@ repos:
     hooks:
       - id: just-format
         name: just format
-        entry: just format
         language: system
-        types: [file]
-        files: "\\.(ts|tsx|js|jsx|json|css|scss|html|md)$"
+        entry: bash -c "just format"

src/index.ts

@@ -91,19 +91,7 @@ const app = new Elysia()
     });
   });
 
-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;
-})();
+const port = Number(process.env.PORT || 3000);
 
 app.listen(port, () => {
   console.log(`🦊 Elysia is running at ${app.server?.hostname}:${port}`);