Move config into package

pkg/config/config.go

@@ -0,0 +1,48 @@
+package config
+
+import (
+	_ "embed"
+	"strings"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/viper"
+)
+
+// Config model and loader
+
+type ConfigModel struct {
+	Listen     string // http listen
+	StopAtBoot bool   // Stop existing containers at start of app
+	Splash     string // Which splash page to serve
+
+	StopDelay time.Duration // Amount of time to wait before stopping a container
+
+	Labels struct {
+		Prefix string `mapstructure:"prefix"`
+	} `mapstructure:"labels"`
+}
+
+var Model *ConfigModel = new(ConfigModel)
+
+func init() {
+	viper.AddConfigPath(".")
+	viper.SetConfigName("config")
+	viper.SetConfigType("yaml")
+
+	viper.SetEnvPrefix("tll")
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	viper.AutomaticEnv()
+
+	if err := viper.ReadInConfig(); err != nil {
+		logrus.Fatal(err)
+	}
+
+	if err := viper.Unmarshal(Model); err != nil {
+		logrus.Fatal(err)
+	}
+}
+
+func SubLabel(name string) string {
+	return Model.Labels.Prefix + "." + name
+}