[feature] migrate to monorepo

backend/internal/middleware/cors.go

@@ -0,0 +1,22 @@
+package middleware
+
+import (
+    "github.com/gin-gonic/gin"
+)
+
+// CORS middleware
+func CORS() gin.HandlerFunc {
+    return func(c *gin.Context) {
+        c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+        c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
+        c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
+        c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, DELETE")
+
+        if c.Request.Method == "OPTIONS" {
+            c.AbortWithStatus(204)
+            return
+        }
+
+        c.Next()
+    }
+}