change architecture and swap from httpx to aiohttp

api/core/settings.py

@@ -0,0 +1,16 @@
+import os
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class Settings:
+    app_host: str = os.getenv("BROWSER_API_HOST", "0.0.0.0")
+    app_port: int = int(os.getenv("BROWSER_API_PORT", "8080"))
+
+    browser_rpc_url: str = os.getenv("BROWSER_USE_RPC_URL", "http://browser:8787/run")
+    browser_rpc_timeout: float = float(os.getenv("BROWSER_USE_RPC_TIMEOUT", "900"))
+
+    max_concurrency: int = int(os.getenv("BROWSER_API_MAX_CONCURRENCY", "2"))
+
+
+settings = Settings()