diff --git a/internal/commands/host.go b/internal/commands/host.go
index f00fd01..6b54966 100644
--- a/internal/commands/host.go
+++ b/internal/commands/host.go
@@ -52,9 +52,13 @@ var (
 		Action: func(ctx *cli.Context) error {
 			log := zaputil.Extract(ctx.Context)
 
+			// additional mime-types that need to be explicitly registered
 			_ = mime.AddExtensionType(".woff2", "application/font-woff2")
 			_ = mime.AddExtensionType(".woff", "application/font-woff")
 			_ = mime.AddExtensionType(".ttf", "font/ttf")
+			_ = mime.AddExtensionType(".yaml", "application/yaml")
+			_ = mime.AddExtensionType(".yml", "application/yaml")
+			_ = mime.AddExtensionType(".json", "application/json")
 
 			gitService := git.NewService(hostConfig.Git)
 			err := gitService.Load(ctx.Context)
diff --git a/internal/web/src/index.js b/internal/web/src/index.js
index 3369d9e..f4f3d2d 100644
--- a/internal/web/src/index.js
+++ b/internal/web/src/index.js
@@ -18,11 +18,13 @@
 
 import {ulid} from 'ulid';
 
+const secure = window.location.protocol === "https:";
+const protocol = secure ? "wss:" : "ws:";
 const sessionPrefix = "/_session";
-const domain = window.location.host;
+const domain = window.location.host + (secure ? ":443" : "");
 
 async function main() {
-    const ws = new WebSocket(`ws://${domain}${sessionPrefix}${window.location.pathname}`);
+    const ws = new WebSocket(`${protocol}//${domain}${sessionPrefix}${window.location.pathname}`);
     const message = `{"ID":"${ulid()}","FullName":"ping"}`
 
     let id = null;