Automate Your Home Using Go

Configuring the Application Settings

To make your program more flexible, let’s add a feature that allows you to specify required parameters using a configuration file in YAML format. This way, if the conditions change, you can update the configuration files without recompiling your application. Create a file config.go that’s responsible for importing the key values stored in the config.yml file, like this:

lightingweather/config.go

package main

import (
    "errors"
    "fmt"
    "os"
    "sort"

    hue "github.com/collinux/gohue"
    "gopkg.in/yaml.v3"
)

var errInvalidColor = errors.New("invalid color")

type color struct {
    Color     string `yaml:"color"`
    Threshold int    `yaml:"threshold"`
}

var colorTranslate ...