add scout apm middleware

Author: Kilo59

app/config.py

@@ -11,6 +11,8 @@ class _Settings(BaseSettings):
     port: int = 5000
     rediscloud_url: AnyUrl = None
     local_redis_url: AnyUrl = None
+    # Scout APM
+    scout_name: str = None
 
 
 @functools.lru_cache()

app/main.py

@@ -9,6 +9,7 @@
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.middleware.gzip import GZipMiddleware
 from fastapi.responses import JSONResponse
+from scout_apm.async_.starlette import ScoutMiddleware
 
 from .config import get_settings
 from .data import data_source
@@ -39,6 +40,11 @@
 # Middleware
 #######################
 
+# Scout APM
+if SETTINGS.scout_name:
+    LOGGER.info(f"Adding Scout APM middleware for `{SETTINGS.scout_name}`")
+    APP.add_middleware(ScoutMiddleware)
+
 # Enable CORS.
 APP.add_middleware(
     CORSMiddleware, allow_credentials=True, allow_origins=["*"], allow_methods=["*"], allow_headers=["*"],