Header override bugfix

src/server/reqwest_proxy.rs

@@ -4,6 +4,7 @@ use bytes::Bytes;
 use reqwest::{
     Method,
     header::{HeaderMap, HeaderName, HeaderValue},
+    redirect::Policy,
 };
 
 use crate::settings::Result;
@@ -18,14 +19,17 @@ pub struct ReqwestProxy {
 impl ServerProxyService for ReqwestProxy {
     async fn new() -> Arc<Self> {
         Self {
-            client: reqwest::Client::new(),
+            client: reqwest::ClientBuilder::new()
+                .redirect(Policy::none())
+                .build()
+                .expect("Can't build client"),
         }
         .into()
     }
     async fn fetch(&self, req: HttpRequest, connection: Connection) -> Result<HttpResponse> {
         let mut headers = HeaderMap::new();
         for (key, value) in req.headers {
-            headers.insert(key.parse::<HeaderName>()?, value.parse::<HeaderValue>()?);
+            headers.append(key.parse::<HeaderName>()?, value.parse::<HeaderValue>()?);
         }
         let res = self
             .client