Add health endpoint at root path

main.py

@@ -3,10 +3,12 @@ import socket
 import sys
 
 import uvicorn
-from fastapi import FastAPI
+from fastapi import Depends, FastAPI
+from sqlalchemy.orm import Session
 
 from app.api.api import api_router
 from app.core.config import settings
+from app.db.session import get_db
 
 # Configure logging
 logging.basicConfig(level=logging.INFO)
@@ -19,6 +21,26 @@ app = FastAPI(
     version="0.1.0",
 )
 
+@app.get("/health", tags=["health"], summary="Health check endpoint")
+def health_check(db: Session = Depends(get_db)):
+    """
+    Check the health of the application:
+    
+    - **status**: Overall application status
+    - **database**: Database connection status
+    """
+    try:
+        # Make a simple query to check if the database is responsive
+        db.execute("SELECT 1")
+        db_status = "healthy"
+    except Exception:
+        db_status = "unhealthy"
+    
+    return {
+        "status": "ok",
+        "database": db_status
+    }
+
 app.include_router(api_router, prefix=settings.API_V1_STR)
 
 def find_available_port(start_port, max_attempts=10):