TODO under the hood scale out scaling group trigers Sample query Photos http://SERVER/api/v1/photos/search?lon=120.29305361110999684&lat=22.616960555555998269&distance=2 http://52.68.64.234:3000/api/v1/photos/search?lon=120.29305361110999684&lat=22.616960555555998269&distance=2 Hotspots http://SERVER/api/v1/hotspots/search?lon=121.5223709&lat=25.0267474&distance=1000&title=ANY_WORD http://52.68.64.234:3000/api/v1/hotspots/search?lon=121.5223709&lat=25.0267474&distance=1000&title=怪味