package app import "net/http" func securityHeaders(next http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.Header().Set("X-Content-Type-Options", "nosniff") w.Header().Set("Referrer-Policy", "strict-origin-when-cross-origin") next.ServeHTTP(w, r) }) }