Please be sure to include details about yourself and your connection to the family.
This website has many great features that should keep you very busy.
Here is the section of Google Cloud’s docs that I followed.
In my particular case, I was uploading the images from a React Native app via the react-native-image-picker, to an endpoint on my express server, and then on to Google Cloud.
When passing a string, multer will make sure that the directory is created for you.