init

config/config.go

@@ -0,0 +1,26 @@
+package config
+
+import (
+	"log"
+
+	"github.com/joho/godotenv"
+	"github.com/kelseyhightower/envconfig"
+)
+
+// Config contains environment variables.
+type Config struct {
+	EtcdEndpoint  string `envconfig:"ETCD_ENDPOINTS"`
+}
+
+// LoadConfig reads environment variables, populates and returns Config.
+func LoadConfig() (*Config, error) {
+	if err := godotenv.Load(); err != nil {
+		log.Println("No .env file found")
+	}
+
+	var c Config
+
+	err := envconfig.Process("", &c)
+
+	return &c, err
+}