prometheus proxy add Header Host

Makefile

@@ -2,7 +2,7 @@
 
 NOW = $(shell date -u '+%Y%m%d%I%M%S')
 
-RELEASE_VERSION = 5.2.0
+RELEASE_VERSION = 5.2.2
 
 APP 			= n9e
 SERVER_BIN  	= $(APP)

docker/docker-compose.yaml

@@ -79,7 +79,7 @@ services:
       - "server"
 
   nwebapi:
-    image: ulric2019/nightingale:5.1.0
+    image: ulric2019/nightingale:5.2.1
     container_name: nwebapi
     hostname: nwebapi
     restart: always
@@ -107,7 +107,7 @@ services:
       - "webapi"
 
   nserver:
-    image: ulric2019/nightingale:5.1.0
+    image: ulric2019/nightingale:5.2.1
     container_name: nserver
     hostname: nserver
     restart: always

src/webapi/router/router_prometheus.go

@@ -36,6 +36,8 @@ func prometheusProxy(c *gin.Context) {
 		req.URL.Scheme = target.Scheme
 		req.URL.Host = target.Host
 
+		req.Header.Set("Host", target.Host)
+
 		// fe request e.g. /api/n9e/prometheus/api/v1/query
 		index := strings.Index(req.URL.Path, "/prometheus")
 		if index == -1 {