使用nodejs从API调用缓存数据的正确方法

I am using node.js to write a web service, it calls an API for some data but I am limited by the API to a number of calls per month, so I wish to cache the data I retrieve from the API so I can serve it up with the cached data, and re-fetch the data from the API at a timed interval. I am using node.js to write a web service, it c