Первый прототип с основными возможностями

config/env.go

@@ -0,0 +1,24 @@
+package config
+
+import (
+	"github.com/kelseyhightower/envconfig"
+)
+
+type Specification struct {
+	AppPort       string `envconfig:"APP_PORT" default:":3000"`
+	AppUrl        string `envconfig:"APP_URL" required:"true"`
+	DBType        string `envconfig:"DATABASE_TYPE" default:"sqlite3"`
+	DBDSN         string `envconfig:"DATABASE_DSN" default:"file:muninn.db?&cache=shared&_fk=1"`
+	TelegramToken string `envconfig:"TELEGRAM_TOKEN" required:"true"`
+	// DBSSLMode
+}
+
+var Env Specification
+
+func Load() {
+	err := envconfig.Process("muninn", &Env)
+
+	if err != nil {
+		panic(err)
+	}
+}