I build small, narrow Apify actors — each one wraps a single official API or data source and does one job well, rather than trying to be a general-purpose scraper. Here are three recent ones, each solving a different, specific problem. Docker Hub Image Tracker Docker Hub will repush a tag with a new digest, new architectures, or a different underlying image, and the version string stays the same. This actor hits hub.docker.com/v2/repositories directly and tells you what actuall...