yuanchieh-cheng

Results 2 issues of yuanchieh-cheng

After run prometheus client for a long time, the memory keep eating up. It would be better if I could simply call a api to flush all the collected data....

I notice the jimp version depended by merge-img is quite old (0.2.27). Could you please update to the latest version because it would helpful if I can use `img.getBufferAsync("image/jpeg")` ....