go struct

my-project/
├── cmd/
│   ├── my-api/
│   │   └── main.go    # Entry point for the API server
│   └── my-cli/
│       └── main.go    # Entry point for a CLI tool
├── internal/
│   ├── auth/          # Private logic (e.g., tokens, hashing)
│   └── database/      # Private logic (e.g., connections, migrations)
├── pkg/
│   └── monetary/      # Public code other projects can import
├── go.mod
└── go.sum