Logto Integration Attempt 1.

backend/internal/middleware/cors.go

@@ -0,0 +1,29 @@
+package middleware
+
+import (
+	"os"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+)
+
+// CORS returns a middleware that handles CORS requests
+// It only enables CORS in development mode
+func CORS() gin.HandlerFunc {
+	// Check if we're in development mode (you can use an environment variable for this)
+	if os.Getenv("GIN_MODE") != "release" {
+		// CORS configuration for development
+		config := cors.DefaultConfig()
+		config.AllowOrigins = []string{"http://localhost:3000"} // Frontend URL
+		config.AllowCredentials = true                          // Important for cookies/auth
+		config.AllowMethods = []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"}
+		config.AllowHeaders = []string{"Origin", "Content-Type", "Accept", "Authorization"}
+		
+		return cors.New(config)
+	}
+	
+	// In production, no CORS middleware is needed if frontend and backend are served from the same domain
+	return func(c *gin.Context) {
+		c.Next()
+	}
+}