| Question; Answer; Project | |
| What describes the architecture of Artifact Hub?; each of the components, what they do and where they are located in the source repository; Artifact Hub | |
| What contains all code related to the database layer?; cmd: contains the source code of the backend applications and the CLI tool: hub, tracker, scanner and ah; Artifact Hub | |
| What is the innermost layer of Artifact Hub?; Database; Artifact Hub | |
| What is the datastore layer of Artifact Hub?; PostgreSQL; Artifact Hub | |