consider using iferr from tid utility pkg

[go-dockly]

consider to shorten the err checks in the main

if err != nil { fmt.Fprintf(os.Stderr, "%s\n", err.Error()) os.Exit(1) }

"github.com/thisisdevelopment/go-dockly/xerrors/iferr"

    iferr.Exit(err, "<custom message>")