first commmit

backend/database/db.go

@@ -0,0 +1,24 @@
+package database
+
+import (
+	"log"
+	"os"
+
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+
+	"fishfish/models"
+)
+
+var DB *gorm.DB
+
+func InitDB() {
+	dsn := os.Getenv("DB_DSN")
+	var err error
+	DB, err = gorm.Open(postgres.Open(dsn), &gorm.Config{})
+	if err != nil {
+		log.Fatal("Failed to connect to database:", err)
+	}
+
+	DB.AutoMigrate(&models.Item{}, &models.User{})
+}