add config

backend/src/main.py

@@ -13,13 +13,16 @@ import src.shared_objects as shared_objects
 from src.api import nft_manager
 from src.api import packet_api
 from src.api import packet_scripting_api
+from src.config import settings
 from src.utilities.database import DatabasePool
 from src.utilities.packet_broadcaster import PacketBroadcaster
 
-DB_DSN = "postgresql://mitm_user:mitm_password@localhost:5432/mitm_db"
-
-logging.basicConfig(level=logging.DEBUG)
-shared_objects.db = DatabasePool(DB_DSN)
+logging.basicConfig(level=getattr(logging, settings.log_level.upper(), logging.DEBUG))
+shared_objects.db = DatabasePool(
+    settings.db_dsn,
+    min_size=settings.db_pool_min_size,
+    max_size=settings.db_pool_max_size,
+)
 
 app = FastAPI(
     root_path="/api",
@@ -53,7 +56,7 @@ async def on_startup() -> None:
         raise
 
     try:
-        shared_objects.broadcaster = PacketBroadcaster(loop)
+        shared_objects.broadcaster = PacketBroadcaster(loop, queue_maxsize=settings.broadcaster_queue_maxsize)
         shared_objects.db.broadcaster = shared_objects.broadcaster
     except Exception:
         logging.exception("Failed to create/attach broadcaster")