What is it
GCP App-Specific Projects is the practice of organizing cloud resources around one GCP project per application per environment. It is part of the Google Cloud best practices for enterprise organizations.
When to use it
Use GCP App-Specific Projects as a guiding principle when designing your application architecture and how to map it to GCP projects.
Always make sure that different environments (e.g. production and development) are hosted in separate projects.
How to learn it
Read the full best practices for enterprise organizations documentation to understand the full context of how to apply the principle.