Populate go struct instance with OS environment variables.
LIMITATION: only string fields can be tagged with env tag.
type MyAppConfig struct {
Workspace string `env:"name=MYAPP_HOME"`
User string `env:"name=MYAPP_USER"`
Debug string `env:"name=MYAPP_DEBUG"`
}
var config = new(MyAppConfig)
if err := goenv.Load(config); err != nil { ... }
if config.Debug == "1" {
// enable debug output
}