first commit

helpers/config.go

@@ -0,0 +1,45 @@
+package helpers
+
+import (
+	"os"
+
+	"github.com/golobby/dotenv"
+)
+
+type Config struct {
+	Debug bool `env:"DEBUG"`
+	App   struct {
+		ListenAddress string `env:"APP_LISTEN_ADDRESS"`
+		ListenPort    uint   `env:"APP_LISTEN_PORT"`
+	}
+	Database struct {
+		Location string `env:"DATABASE_LOCATION"`
+	}
+}
+
+var configParsed bool
+var config Config
+
+func GetConfig() (Config, error) {
+	if configParsed {
+		return config, nil
+	}
+
+	return parseConfig()
+}
+
+func parseConfig() (Config, error) {
+	file, err := os.Open(".env")
+	if err != nil {
+		return config, err
+	}
+
+	err = dotenv.NewDecoder(file).Decode(&config)
+	if err != nil {
+		return config, err
+	}
+
+	configParsed = true
+
+	return config, err
+}