Add hosting deployment setup and backend health endpoint

backend/main.py

@@ -172,6 +172,11 @@ def check_server_access(user: dict, server_name: str):
         return False
     return server_name in user.get("servers", [])
 
+# Healthcheck endpoint for Docker/hosting probes
+@app.get("/health")
+async def health():
+    return {"status": "ok"}
+
 # API для аутентификации
 
 # OpenID Connect endpoints
@@ -1936,4 +1941,4 @@ app.include_router(daemons_router)
 
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run(app, host="0.0.0.0", port=8000)
+    uvicorn.run(app, host="0.0.0.0", port=4546)