feat: add Sentry error monitoring and tracing

app/main.py

@@ -2,6 +2,7 @@
 from datetime import datetime
 from typing import Any
 
+import sentry_sdk
 from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse
@@ -40,6 +41,14 @@ def render(self, content: Any) -> bytes:
         ).encode("utf-8")
 
 
+if settings.sentry_dsn:
+    sentry_sdk.init(
+        dsn=settings.sentry_dsn,
+        environment=settings.environment,
+        traces_sample_rate=settings.sentry_traces_sample_rate,
+        send_default_pii=False,
+    )
+
 app = FastAPI(
     title=settings.app_name,
     version=settings.version,

app/settings.py

@@ -50,5 +50,12 @@ class Settings(BaseSettings):
     # Production restrictions
     disable_publisher_api: bool = False  # Set to true in production
 
+    # Environment
+    environment: str = "development"  # development, staging, production
+
+    # Sentry
+    sentry_dsn: str | None = None
+    sentry_traces_sample_rate: float = 0.1
+
 
 settings = Settings()

pyproject.toml

@@ -27,6 +27,7 @@ dependencies = [
     "pyjwt[crypto]>=2.10.0",
     "python-multipart>=0.0.9",
     "redis>=5.2.0",
+    "sentry-sdk>=2.52.0",
     "signedshot>=0.1.0",
     "slowapi>=0.1.9",
     "sqlalchemy[asyncio]>=2.0.0",