package main import ( "github.com/gin-gonic/gin" ) func corsMiddleware() gin.HandlerFunc { return func(c *gin.Context) { // delete existing headers c.Writer.Header().Del("Access-Control-Allow-Origin") c.Writer.Header().Del("Access-Control-Allow-Methods") c.Writer.Header().Del("Access-Control-Allow-Headers") // set new headers c.Writer.Header().Set("Access-Control-Allow-Origin", "*") c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE, PATCH") c.Writer.Header().Set("Access-Control-Allow-Headers", "Origin, Authorization, Content-Type") } }