set_value.go

ctx := context.Background()
config := &firebase.Config{
  DatabaseURL: "https://database-name.firebaseio.com",
}
app, err := firebase.NewApp(ctx, config)
if err != nil {
  log.Fatal(err)
}

client, err := app.Database(ctx)
if err != nil {
  log.Fatal(err)
}

acc := Account{
  Name:    "Alice",
  Balance: 1000,
}
if err := client.NewRef("accounts/alice").Set(ctx, acc); err != nil {
  log.Fatal(err)
}