Mergiate le due versioni

config/config.go

@@ -0,0 +1,41 @@
+package config
+
+import (
+	"log"
+	"os"
+	"strings"
+
+	"github.com/joho/godotenv"
+)
+
+var Mode string
+var Host string
+
+var GitUrl string
+var ForumUrl string
+
+func stringOrDefault(value, defaultValue string) string {
+	if len(strings.TrimSpace(value)) == 0 {
+		return defaultValue
+	}
+
+	return value
+}
+
+func LoadConfig() {
+	godotenv.Load()
+
+	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
+
+	Mode = stringOrDefault(os.Getenv("MODE"), "production")
+	log.Printf("MODE = %v", Mode)
+
+	Host = stringOrDefault(os.Getenv("HOST"), "localhost:8080")
+	log.Printf("HOST = %v", Host)
+
+	GitUrl = stringOrDefault(os.Getenv("GIT_URL"), "git.phc.dm.unipi.it")
+	log.Printf("GIT_URL = %v", GitUrl)
+
+	ForumUrl = stringOrDefault(os.Getenv("FORUM_URL"), "forum.phc.dm.unipi.it")
+	log.Printf("FORUM_URL = %v", ForumUrl)
+}