diff --git a/config/docker/caddy/web-app/Caddyfile b/config/docker/caddy/web-app/Caddyfile
index 7e0f9eaf..c15a37e2 100644
--- a/config/docker/caddy/web-app/Caddyfile
+++ b/config/docker/caddy/web-app/Caddyfile
@@ -1,6 +1,5 @@
 {
 # Global Options
-# Enable Prometheus metrics
   servers {
             metrics
           }
@@ -10,6 +9,9 @@
 # Root directory for static files
   root * /usr/share/caddy
 
+# Enable internal-only HTTPS for secure communication behind the proxy
+  tls internal
+
 # Access Logs (JSON format for Docker)
   log {
         output stdout
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