What command should you run to make your application easier to find on Docker Hub?

The correct answer is the command that includes your Docker Hub username in the image tag. By using the specific syntax of $DOCKER_HUB_USERNAME/my-app:latest, you are creating a new tag for the application that incorporates both your Docker Hub username and a version number.

This ensures that your application is properly namespaced under your Docker Hub account, making it easier for others to find and pull the image from Docker Hub. Using a tagged version like v1.0.1 also conveys information about the specific release of your application, which is particularly useful for version control and collaboration.

This format is significant because, on Docker Hub, images are often identified by both the repository to which they belong and their specific version. Properly tagging images helps you manage updates and releases effectively, and provides clarity to users searching for your application. It differentiates your image from others that may have similar names, facilitating easier discovery and retrieval by users looking for your specific application.