feat: add Docker deployment and Microsoft OAuth support

mengpost-backend/main.go

@@ -1,19 +1,26 @@
-package main
-
-import (
-	"log"
-
-	"mengpost-backend/config"
-	"mengpost-backend/database"
-	"mengpost-backend/router"
-)
-
-func main() {
-	cfg := config.Load()
-	database.Init(cfg.DBPath)
-	r := router.New(cfg)
-	log.Printf("萌邮 MengPost backend listening on :%s (token=%s)", cfg.Port, cfg.Token)
-	if err := r.Run(":" + cfg.Port); err != nil {
-		log.Fatal(err)
-	}
-}
+package main
+
+import (
+	"log"
+
+	"github.com/joho/godotenv"
+
+	"mengpost-backend/config"
+	"mengpost-backend/database"
+	"mengpost-backend/router"
+	"mengpost-backend/services"
+)
+
+func main() {
+	// 从工作目录加载 .env（KEY=value）；缺失则忽略，仍可用系统环境变量。
+	_ = godotenv.Load()
+
+	cfg := config.Load()
+	services.SetAppConfig(cfg)
+	database.Init(cfg.DBPath)
+	r := router.New(cfg)
+	log.Printf("萌邮 MengPost backend listening on :%s (token=%s)", cfg.Port, cfg.Token)
+	if err := r.Run(":" + cfg.Port); err != nil {
+		log.Fatal(err)
+	}
+}