Use request host for internal API URLs

utils/requesturl.utils.go

@@ -0,0 +1,18 @@
+package utils
+
+import (
+	"net/http"
+	"strings"
+)
+
+func RequestBaseURL(r *http.Request) string {
+	scheme := "https"
+
+	if proto := r.Header.Get("X-Forwarded-Proto"); proto != "" {
+		scheme = strings.TrimSpace(strings.Split(proto, ",")[0])
+	} else if r.TLS != nil {
+		scheme = "https"
+	}
+
+	return scheme + "://" + r.Host
+}